Mathematics High School


What is the value of t in the equation?
-3t – 4 (t – 5) = 48

Answers

Answer 1

Step-by-step explanation:

-3t-4t+20=48

-7t=28

t=-4

Answer 2

Answer:

t = -4

Step-by-step explanation:

-3t – 4 (t – 5) = 48

Distribute

-3t -4t +20 = 48

Combine like terms

-7t +20 = 48

Subtract 20 from each side

-7t +20-20 = 48-20

-7t = 28

Divide by -7

-7t/-7 = 28/-7

t = -4

Related Questions

To compute the perimeter of a rectangle, you add the length, l , and width, w , and double this sum.

This means you can find the perimeter of a rectangle by evaluating the expression 2 (1 + w ).
Use this expression to find the perimeter of a rectangle with length 30 and width 75.
210 (A)
135 (B)
180 (C)
107 (D)

Answers

Answer:

210 (A)

Step-by-step explanation:

Use the formula:

P = 2(l + w)

Substitute the values and find P:

P = 2(30 +75) = 2(105) = 210

Correct choice is A

Answer:

given length [l]=30

width[w]=75

perimeter= 2 (l + w )=2(30+75)=210

so

answer is A.210


[tex]x^{2} + 36x + 324 = (x + m)^{2} [/tex]
which of the following is the value of m?
A. 36
B. 18
C. 12
D. 6
​

Answers

Answer:

B. 18

Step-by-step explanation:

[tex]x^{2} + 36x + 324 = (x + m)^{2} [/tex]

[tex](x+18)^{2}= (x + m)^{2} [/tex]

[tex]\cancel x+18= \cancel x + m[/tex]

[tex]18= m[/tex]

This answer to this question is B

130% of 49 =
O 637
O 6.37
O 63.7
0 63.7%

Answers

the answer would be 36.78 don’t know what these answer choices are
the answer to this question is c. 130% of 49= 63.7

The percentage of blue M&M's in a bag is 12%. If you have 125 M&M's in a bag, how many blue M&M's would you expect to have

Answers

Answer:

The expected amount of blue M&M's would be 15

Step-by-step explanation:

12% of 125 is 15 therefore you should expect 15.

GEOMETRY!!!! HELP PLS THANK U

Answers

Answer:

i think the answer is 45 degrees

Step-by-step explanation:

each basket of corn holds 2.25 pounds uf harold sells 15 baskets of corn how many pounds of will he have sold?​

Answers

Step-by-step explanation:

15×2.25

pounds sold = 33.75

Find the Percent:
A computer is marked up from last
year's model by 12%. If the cost last
year was $1150.00; What is the cost
of the new model?

Answers

Step-by-step explanation:

First, find 12 percent of 1,150,

12 percent of 1,150 = 138.

Now, add 1,150 + 138,

1,150 + 138 = 1,288

Hope I helped, if not, at least I tried.

Use the FOIL method to check your answer from part A.

Answers

Answer:

[tex]x^{2} -8x+12[/tex] (that means u got it right)

Step-by-step explanation:

basically use the distributive property to multiply everything by each other.

x*x=[tex]x^{2}[/tex]

x*(-2) + x*(-6)= -8x

-6*-2=12

Put it all together and u get the original.

Sorry if this is confusing.

Please help me! Does ∡JLK = 102° ?

Answers

Answer:

36+102=138  180-138=42  

Step-by-step explanation:

sorry i berly learning this ... i suck ... plz someone help this kid

If you wanted to shift the graph of y= 4x + 7 down, which equation could you use?

Answers

Answer:

D

Step-by-step explanation:

Here is a system of equations.
y=3x-1
y=-x-5
Graph the system. Then write its solution. Note that you can also answer "No sol
B
G H

Answers

let me know if you want to know the algebraic way to solve without the graph!! i’d be more than happy to help!

Hey I'm Chloe, Can you help me, Thank you :)
I need Help with Math:
-3A +2 ( 5- 2A) = - 11
* I think The answer is A= 3, But I'm not sure*

Answers

Answer:

There is no question just a equation.

Step-by-step explanation:

I'm not sure.

Answer:

You are indeed correct, A=3

Step-by-step explanation:

Lawrence has $50. He wants to buy some T-shirts that cost $12 each. He also wants to have at least $10 left to buy lunch. Which inequality shows the number of T-shirts, x, Lawrence can buy and still have at least $10 for lunch?

Answers

Answer:

x=3

Step-by-step explanation:

12 * 3 = 36

50-36=14

What is the name of this solid figure?

Answers

Answer:

the picture isn't whole, but what I see is a cylinder.

Step-by-step explanation:

If m/ 6=30 what is m / 7?

Answers

Answer:

30 degrees because it is alternate to 30 degrees

Step-by-step explanation:

Answer : D.

Explanation : angle 6 and angle 7 are vertical angles, which are congruent. since angle 6 measures 30 degrees, angle 7 must also measure 30 degrees.

Does this have, one solution, no solutions, or infinite solutions?

Answers

Answer:

Infinite

Step-by-step explanation:

Cuz i is a smart human

Answer:

The answer is No Solution

Step-by-step explanation:

question in the picture thankss

Answers

G because you end up with the equation y= .5x+5

What is the rate of change of the line through (-8, 4) and (-10, 0)?

Answers

Answer: (3,8) and (-2, 10)

Step-by-step explanation:

the slope of the line passing


Find the measure of all the indicated angles.
Help please !!

Answers

The answer is 540 bc no three sides are congruent

HELP HELP HELP HELP The answer is not 34.5 or 124.5

Answers

Answer:

x=37, Angle A is 74. Exterior angle B is 185

Step-by-step explanation:

I'm pretty sure this right but This is a triangle that is folded to the inside. This means that most likely there is a negative interior degree

angle. Using the interior theorem, we can add up all the non adjacent sides to find the exterior angle of the adjacent side. 79+2x+32=5x, 2x+111=5x, 111=3x, x=37. Then plug 37 in for x Angle A is 74 degree and B exterior angle Is 185 degree.

Solve for x
A
37°
B
74
С
106°
D
53°

Answers

Answer:

A

Step-by-step explanation:

If you look at the circle and the angle that x is at you'll see that x is in the smaller part of the circle

Using the function s = 13.50 which statement is true

A. The dependent variable is s
B. The dependent variable is h
C. the independent variable is s
D. the independent variable is 13.50

Answers

C. The independent variable is s

Answer:

A the dependent variable is s

Step-by-step explanation:

This is the correct answer from the review page.

Find the area n show work

Answers

Lengh X width, 4 inch times 4 inch = 15. The area is 15

Answer this problem

Answers

Answer:

(3,-7)

(-8,48)

(-4,28)

(8,-32)

(-3,23)

Step-by-step explanation:

To solve, just put in the x value from the table as the x value in the equation. Then solve to get y.

Hope it helps!

u.s cities grew quickly during the early 1800s because:

Answers

Answer:

The industrialization of the late nineteenth century brought on rapid urbanization. The increasing factory businesses created many job opportunities in cities, and people began to flock from rural, farm areas, to large urban locations. Minorities and immigrants added to these n

Answer:

A. factories began to hire more workers in cities

Step-by-step explanation:

I got it right ap2x

Add these two Fractions together: 1 and 3/4 + 5/8

Answers

Answer:

11/8

Step-by-step explanation:

3/4=6/8

6/8+5/8=11/8

Solve for 1 and 3/4 + 5/8

= 7/4 + 5/8
= 14/8 + 5/8
= 19/8
= 2 and 3/8

find the missing length indicated ​

Answers

Answer:

15

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

It is given that two lines are parallel, and hence the corresponding angles are congruent, by corresponding angles postulate. It is also given that the triangles in the photo share an angle, by the reflexive property, the shared angle is congruent. Hence one can use angle-angle to determine that the two triangles in the picture are similar.

Using this, one can set up a proportion with the sides. The ratios of any two corresponding sides are the same as any other two corresponding sides in the triangle, respectively, this is due to the corresponding parts of similar triangles theorem.

[tex]\frac{9+12}{12}=\frac{49}{49-?}[/tex]

Simplify,

[tex]\frac{21}{12}=\frac{49}{49-?}\\\\\frac{7}{4}=\frac{49}{49-x}[/tex]

Cross products,

[tex](7)(49-?) = (4)(49)\\\\343-7?=196[/tex]

Inverse operations,

[tex]343-7?=196\\-343\\\\-7? = -147\\/-7\\\\?=21[/tex]

Did I put the letters in the right places?

Answers

Answer:

Yes u did thats what i did too XD

area of rhombus whose diagonals are 9cm and 4cm is​

Answers

Answer:

18 cm²

Step-by-step explanation:

you simply take (d1 × d2) / 2

and there you have it : )

(d = diagonals)

what is 8x > -136??????

Answers

Hope this helps

x > -17

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