7z + 2 = 26
In this equation, what is the variable?

Answers

Answer 1

Answer:

Z is the variable

Step-by-step explanation:

Answer 2
Z is the variable i hope this helps you


Related Questions

If a point is translated down 6 Units what are the new coordinates expressed as an algebraic representation

Answers

Answer:

(x, y - 6)

Step-by-step explanation:

I GIVEEEEEEE BRAINLILSTTTTTTTTTT

Answers

Answer:

I think its J, but I'm not 100% posative

drake has nickels, dimes, and quarters in his pocket. The 18 coins have a value of $2.30. If there are three times as many dimes as quarters, how many nickels are there

Answers

Answer:

   4 quarters=1.00

   12 dimes=1.20

  +2 nickles=0.10

   18 coins=2.30

Step-by-step explanation:

So there are 4 quarters, 12 dimes, and 2 nickels.

Name each level of measurement for which data can be quantitative. Select all the levels of measurement for which data can be quantitative.

Answers

Answer: Interval, Ratio, ordinal

Step-by-step explanation:

Quantitative data refers to data with numerical variables and have numerical meaning for which mathematical inferences can be made. The interval scale is used are used only for quantitative variables. They provide an fixed and ordered arrangement on their scale and also provide useful and reasonable differences in values.

The ratio scale is another quantitative scale which is very similar to the interval scale, providing meaningful difference between the values. The ratio scale gives a true zero (zero here means none) value which is different from interval whose zero value does not mean real zero.

The ordinal scale can be applied to both Qualitative and quantitative variables, the scale gives a rank and ordered meaning to measurement. However, the numbers or scale values cannot be used for mathematical computation as they'll provide no useful meaning.

13 points!! Mikes bikes charges an initial fee of $10 to rent a bike plus $5 per hour (h) of use. If the total cost (t) can be determined using the equation t=10+5h, what is the greatest number of hours someone can rent a bike for $25

Answers

Answer:

Greatest number of hours = 3

Step-by-step explanation:

Given that:

Initial charges = $10

Per hour charges = $5

Number of hours = h

Equation;

t = 10 + 5h

For finding the hours for $25, we will put t=25 in the equation

25 = 10 + 5h

25 - 10 = 5h

5h = 15

Dividing both sides by 5

[tex]\frac{5h}{5}=\frac{15}{5}\\h=3[/tex]

Hence,

Greatest number of hours = 3

Answer:

3

Step-by-step explanation:

Sarah can run 8.2 miles per hour. How many miles can she run in 2.5 hours?

Answers

Answer:

20.5 miles

Step-by-step explanation:

add 8.2 + 8.2 = 16.4 + 4.1 = 20.5

Hope this helps! :)

Simplify 3[(5-2)3+4]

Answers

Answer:

39

Step-by-step explanation:

Answer: 39

Step-by-step explanation: You do 5-2=3 and then (3)3=9 then add 9 and 4 to get 13 and then do 13x3 and get 39

What is the exact value of sin (-5x/3
1/2
-1/2
✔️3/2
-✔️3/2

Answers

Answer:

Step-by-step explanation:

Nick has a box of ornaments. All of them are blue, exept for 6. All of them are green, exept for 6. All of them are red, exept for 6. How many of each colored ornament does he have?

Answers

Answer: 3 ornaments of each color

Step-by-step explanation:

There are 3 colors.
For each of the colors, the other two colors have 6 ornaments, hence we can determine that there are 3 ornaments of each color.


Part A
In triangle ABC, the measure of angle A is 90° the measure of angle B is 45°, and the measure of angle cis
45°. What is the combined measure of the three angles?

Answers

The combined measure is 180 degrees

In ΔPQR, ∠P and ∠Q are complementary angles. If sin Q = 3/5, then what is cos P + cos q

Plz hurry

Answers

Answer:7/5

Step-by-step explanation:

show that KLMN is a parallelogram​

Answers

Is the awnsers two?
or is it 3

A scientist studying water quality measures the lead level in parts per billion (ppb) at each of 49 randomly chosen locations along a water line. Suppose that the lead levels across all the locations on this line are strongly skewed to the right with a mean of ppb17 and a standard deviation of 14ppb. Assume that the measurements in the sample are independent.

Required:
What is the probability that the mean lead level from the sample of 49 measurements T is less than 15 ppb?

Answers

Answer:

The probability that the mean lead level from the sample of 49 measurements T is less than 15 ppb

P(x⁻< 15) = 0.1587

Step-by-step explanation:

Step(i):-

Given that the size of the sample 'n' =49

Mean of the Population = 17ppb

The standard deviation of the population = 14ppb

Let 'X' be the random variable in a normal distribution

[tex]Z = \frac{x-mean}{\frac{S.D}{\sqrt{n} } } = \frac{15-17}{\frac{14}{\sqrt{49} } } = -1[/tex]

Step(ii):-

The probability that the mean lead level from the sample of 49 measurements T is less than 15 ppb

P(x⁻< 15) = P(Z<-1) = 1-P(Z>-1)

                             = 1-(0.5+A(-1))

                             = 0.5 - A(1)

                            = 0.5-0.3413

                            = 0.1587

Final answer:-

The probability that the mean lead level from the sample of 49 measurements T is less than 15 ppb

P(x⁻< 15) = 0.1587

Answer:

0.16

Step-by-step explanation:

At the school carnival, the sixth graders are making directional arrows, as shown below. Each arrow needs to be painted red. How much area needs to be painted for one arrow?
Dimensions:
6
10
8
4​

Answers

Answer:

10

Step-by-step explanation:

I need help with this problem ASAP

Answers

Answer:

y=-7

Step-by-step explanation:

horizontal line means that it doen't cross the x axis, so you just ignore the x value

Given a sequence is defined by the explicit definition: tn=2n−n

Find the 6th term of the sequence (i.e. t6 )

Answers

Answer:

The 6th term of the sequence is 58.

Step-by-step explanation:

The sequence is given by the following definition:

[tex]t_n = 2^n - n[/tex]

Find the 6th term of the sequence

This means that [tex]n = 6[/tex]. So

[tex]t_6 = 2^6 - 6 = 64 - 6 = 58[/tex]

The 6th term of the sequence is 58.

A triangle has two sides that have lengths of 37 cm and 19 cm. Which could represent the possible length of the third side?

Answers

Answer:

[tex]18cm<X<56cm[/tex]

Step-by-step explanation:

From the question we are told that

First side 37 cm

Second side 19 cm

Generally considering the triangle inequality theorem we have

  [tex]37+19>X\\X+37>19\\X+19>37[/tex]

Solving equations we have

  [tex]X<56\\X>18\\X>-18[/tex]

Generally from the inequalities the range of X is mathematically given as

[tex]X>18\\X<56[/tex]

[tex]18cm<X<56cm[/tex]

Therefore the range of the Third side is

[tex]18cm<X<56cm[/tex]

What is the solution to this inequality?

6x−5>−29


​ x −4 ​

​ x>4

Answers

Answer:

x>4

Step-by-step explanation:

Answer: x>-4

Step-by-step explanation:

1. Add five to both sides [ this will cancel out the five ]

6x - 5 > -29

     +5    +5    

----------------------

6x > -24

2. Divide by six on both sides

6x > -24

----    ------

6         6

WHICH EQUALS

x > -4      

You leave a 10% tip on a $30 dinner bill. Find he amount of the tip and add it to
$30. How much is your total bill, including the tip? *

Answers

33 dollars. The tip is 3 dollars, and that to 30 dollar dinner bill and the whole bill will be $33.

so since you're only doing 10% of 30, you get 3

add 3 to 30 and you get 33

f(3)= 5x^2 - 4x + 9
evaluate this quadratic function

Answers

Answer:

[tex]f(3) = 38[/tex]

Step-by-step explanation:

Given the quadratic function

[tex]f\left(x\right)=\:5x^2\:-\:4x\:+\:9[/tex]

Evaluating the quadratic function

[tex]f\left(x\right)=\:5x^2\:-\:4x\:+\:9[/tex]

substitute x = 3

[tex]f\left(3\right)=\:5\left(3\right)^2\:-\:4\left(4\right)\:+\:9[/tex]

[tex]f(3) = 45-16+9[/tex]

[tex]f(3) = 38[/tex]

Therefore,

[tex]f(3) = 38[/tex]

Consumable resources are used up as you build goods or deliver services in your business. If your business uses on average 6 ounces of milk in a shake and serves 86 shakes per day, how many gallons of milk do you need to order each week? (1 gallon = 128 ounces)

a) 25
b) 27
c) 29
d) 32​

Note: I think it is either 27 or 29 because when you do the math, you get 28.21875. I took 6 × 86 = 516, 516 ÷ 128 = 4.02125 × 7 = 28.21875

Answers

Complete Question

Answer:

28.21875 gallons

Step-by-step explanation:

Step 1

From the above question:

1 shake = 6 ounces of milk

86 shakes = x

Cross Multiply

x = 86 × 6 ounces of milk

x = 516 ounces of milk

Step 2

1 gallon = 128 ounces

Hence:

For 1 day

128 ounces of milk = 1 gallon

516 ounces of milks = x gallon

Cross Multiply

128 ounces × x = 516 ounces × 1

x = 516 ounces /128 ounces

x = 4.03125 gallons

For 1 week = 7 days

1 days = 4.03125 gallons

7 days = x

Cross Multiply

x = 7 × 4.03125

x = 28.21875 gallons

Therefore, she needs to order 28.21875 gallons of milk each week

Answer:

29

Step-by-step explanation:

(Blank) x 1/6 = 5/6


I haven’t done this in a while so I need help.

Answers

Answer:

5

Step-by-step explanation:

Divide 5/6 by 1/6 to get 5 as your answer.

8.5x-5+2.6x simplify the expression

Answers

I am pretty sure the answer is 11.1x-5

Which expression has a positive quotient

Answers

Answer:

a

Step-by-step explanation:

both sides being negative turns it positive

which round to ten 9.943, 9.501, 9.234, 9.612

Answers

Answer:

What is it rounded up to???

Step-by-step explanation:

( p • 1) • 6 = ? halp

Answers

Answer:

= 6p Hope I helped. have a nice day!

help me plzzzzzzzzzzzzzzzzzzz

Answers

Answer:

3p=1/2

Step-by-step explanation:

3 p's balance with 1/2 making them equal

im doing decimals greatest to least and i need help with number 12 and 13

Answers

(I know there isnt any real problem here to solve, but heres a tip on how to solve greatest to least with decimal problems)

1. Just because a number looks big, doesn't mean it is big

Example: 1.00000000000001 < 1.1

just look at the numbers ^ and dont just hastily read it over assuming that 1.1 is smaller because it "has less digits"

2. Negative numbers are... opposite. and they are less than positive numbers

-3.4 > -4.1

Why is this? Well, if you look on a line, with the point 0 in the middle, you can see that -3.4 is not as far away from 0 as -4.1 is. So the idea is to apply opposite logic for negative numbers

I hope these tips helped!! :D

Answer:

12) 6.32, 6.318, 6.23, 6.108

13) 1.345, .654, .645, .456

Step-by-step explanation:

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match the expressions given in words with their values when d = 3.
2
1
4
3
0
the difference of 2 times d minus 3
4 added to the difference of d minus 3
the difference of d minus 3 divided by 2
the quotient of 12 divided by the
difference of 3 times d minus 3

Answers

Answer:

the difference of 2 times d minus 3= 6

4 added to the difference of d minus 3= 4

the difference of d minus 3 divided by 2= 0

the quotient of 12 divided by the difference of 3 times d minus 3= 2

Step-by-step explanation:

2 times 3 equals 6. 3 minus 3 equals 0. 6-0=6

d minus 3 equals 0. 4+0 equals 4

3 minus d equals 0. 0 divided by two is 0

3 times d= 9. minus 3 = 6. 12 divided by 6 = 2

hope this helps! (:

The correct pairs are:

The difference of 2 times d minus 3 --> 3

4 added to the difference of d minus 3 --> 4

The difference of d minus 3 divided by 2 --> 0

The quotient of 12 divided by the difference of 3 times d minus 3 --> 2

For his exercise today, Ivan plans to both run and swim. Let r be the number of laps he runs and let s be the number of laps he swims. Each lap he runs takes him 4 minutes, and each lap he swims takes him 2 minutes. He wants to exercise for more than 45 minutes today. Using the values and variables given, write an inequality describing this.

Answers

Answer:

4r + 2s > 45

Step-by-step explanation:

:) :) :) :) :) :) :)

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