Mathematics High School

Which of the following statements about operations with fractions is not correct?
To divide, flip the second fraction and then multiply.
O Multiply across fractions with different denominators.
O Change a mixed number to a fraction first.
Add and subtract across fractions with different denominators.

Answers

Answer 1

Answer:

D is incorrect.

Step-by-step explanation:

In order to add or subtract fractions, they must have the same denominators

Related Questions

Angle Measurements
Identify the relationship (complementary, linear pair/supplementary, or vertical) and find the
value of x in the image below.
(3x + 10)
47°

Answers

Answer:

X = 11

Complementary angles

Step-by-step explanation:

Complementary angles are when two angles add up to 90 degrees.

3x + 10 + 47 = 90

3x + 10 = 43

3x = 33

x = 11

What is the truth value of the following statement? square root of 25 >- 5 or 3 grater than or equal to 3.

Answers

Answer:

the Square root of 25 = 5

Step-by-step explanation:

It's greater than -5 and greater than 3 by two.

Hopefully this helps.

Endpoint: (7,1), Midpoint: (-8,-9)

Answers

Answer:

Step-by-step explanation:

(x+7)/2= -8

x + 7 = -16

x= -23

(y + 1)/2 = -9

y + 1 = -18

y = -19

(-23, -19)

which is greater 5/6 or 1/3

Answers

5/6 is equal to 0.8333 while 1/3 is equal to 0.333

5/6 is greater

Answer:

1. >

2.<

3. =

4. >

5.>

6. =

7. >

8. <

9. =

10. <

11. <

12. =

13. 3/5, 2/3, 0.65

14. 7/8, 8/9, 0.98

15. 1/12, 0.2, 1/4

Step-by-step explanation:

Sarah Drew was the top scorer in a​ women's professional basketball league for the 2006 regular​ season, with a total of 842 points. The number of​ two-point field goals that Sarah made was 47 less than double the number of​ three-point field goals she made. The number of free throws​ (each worth one​ point) she made was 28 less than the number of​ two-point field goals she made. Find how many free​ throws, two-point field​ goals, and​ three-point field goals Sarah Drew made during the 2006 regular season.

Answers

Answer:

151

Step-by-step explanation:

Please help me out with this all I need is the answer, pleaseeee

Answers

Answer:

8x-3

Step-by-step explanation:

The total perimeter is the length of all the sides of the triangle added together, in this case that is 11x+1. In order to get the length of the one side by itself subtract the other two side lengths from the perimeter. (11x+1)-(x+5)=10x-4. (10x-4)-(2x-1)=8x-3.

Is it true that for every integer of n the value of n to the 2nd power is positive

Answers

Answer:

no i do think so that dose not make sensens

May has 987 stickers she gives 45 stickers to each of her 7 friends and sorts the reaming equally into three album how many stickers are in each album?

Answers

Answer:

The answer is 224

Step-by-step explanation:

You would have to multiply 45 by 7 which is 315

Then subtract 315 from 987 which equals 672 then divide 672 and 3 which is 224.

Answer:

47×5= 315987-315=672

672÷3

=224

Please I need a Brainliest

8/24/32 to the lowest ratio

Answers

Answer: 8

Step-by-step explanation:

Ratios are commonly converted from a given ratio to a ratio with a
denominator of ______??????

Answers

Answer:

Hey there!

Ratios are often converted to a number with a denominator of 100. When a ratio has a denominator of 100, it can be easily converted to a fraction or decimal.

Let me know if this helps :)

Decide whether the given ordered pair is a solution of the system.
x+y=5
X-y= 3
; (4,1)
Is the given ordered pair a solution to the given system?
A. Yes, because (4,1) makes both equations true.
B. No, because (4,1) makes neither equation true.
C. No, because (4,1) only makes the equation x + y = 5 true.
D. No, because (4,1) only makes the equation x-y = 3 true.

Answers

Answer:

A. it is true for both equations

Step-by-step explanation:

x = 4 and y = 1

sub these values into the equations

4 + 1 = 5

4 - 1 = 3

What is the answer?

(3 - 6x^5 - 8x^4) - (-6x^4 - 3x -8x^5)

Answers

Answer:

2x^5-2x^4+3x+3

Step-by-step explanation:

distribute -1 to the second part of the expression and then combine like terms

Step-by-step explanation:

[tex]3 - {6x}^{5} - {8x}^{4} + {6x}^{4} + 3x + {8x}^{5} = {2x}^{5} - {2x}^{4} + 3x + 3 [/tex]

m∠D=18°. Find the measure of the supplement of ∠D.

Answers

Answer:

162

Step-by-step explanation:

because

11. -2(b + 5) = -6
Please help

Answers

b=-2, divide both sides by the numeric factor on the left side and then solve :)

Help me plz and can you show your work plz
I really need help it’s due today

Answers

For question 10 i wasn’t sure of the format in which you have to submit but i incorporated two.

160 cm= mm
250 m =. km

Answers

160cm= 1600mm
250m= 0.25km

Identifying solutions by evaluating is the number a solution of 2x +1>-3

Answers

Answer:

b or c

Step-by-step explanation:

2×-1 +1= -1

-1>-3

2×0+1= 1

1>-3

For this reason the equality can be b or c

Simplify by combining like terms.
1) 4x + 3p + 3p + 6x​

Answers

Answer: 10x + 6p

Explanation
Answer:

10x + 6p

Step-by-step explanation:

Hi there !

4x + 3p + 3p + 6x =

= (4x + 6x) + (3p + 3p)

= x(4 + 6) + p(3 + 3)

= x·10 + p·6

= 10x + 6p

Good luck !

Help pls solve no. 16​

Answers

B is the answer because 1+3 is 4 4+5 is 9 9+7 is 16 16+9 is 25 25+11 is 36+13 is 49 and so on

Constance is saving money to buy a new bicycle that costs $205.75. She already has $80 saved and plans to save $8 each week. How many weeks will it take her to save enough money to purchase the bicycle?

Answers

Answer:

16 weeks

Step-by-step explanation:

$80 + $8 a week [tex]\geq[/tex] $205.75

80 + 8x  [tex]\geq[/tex]  205.75

8x [tex]\geq[/tex] 125.75

x [tex]\geq[/tex] 15.71875

16 weeks

In 2010, 465 students went to a certain school. In 2014, 372 students went to the same school by what percent did the number of students decrease

Answers

Answer:

20% decrease

Step-by-step explanation:

New value =

465 - Percentage decrease =

465 - (20% × 465) =

465 - 20% × 465 =

(1 - 20%) × 465 =

(100% - 20%) × 465 =

80% × 465 =

80 ÷ 100 × 465 =

80 × 465 ÷ 100 =

37,200 ÷ 100 =

372

Hope this helps!

Answer:

20

Step-by-step explanation:

he or she is correct


5000 bricks of size 20cm × 12cm each are required to pave the path running outside a square field. Calculate the area of the path.​

Answers

Step-by-step explanation:

20x12= 240cm^2 (the size of one brick)

If there are 5000 bricks then you multiply 240cm^2 by 5000

5000x240= 1,200,000cm^2

(it's a huge number so I'm not so sure about this)

2,4...16,32 what comes next
​

Answers

The next one would be 64

Answer:

1,024

Step-by-step explanation:

In this number sequence or pattern we can see that the numbers are being multiplied by themselves. In this example 2 multiplied by itself is 4 and 4 multiplied by itself is 16 and so on. Hope this helps, have a great day!

Which is the best estimate for 90/7 divided by 1 and 3/4 A. 2 B.6 C.12 D.24

Answers

Answer:

D. Hopelly its correct

Answer:

it's 6

Step-by-step explanation: Got it right on edg:D

write as an equation and solve: when 4 is added to the number that is produced by three times the number p, the result is equal to 25.

Answers

Answer:

3p+4=25

Step-by-step explanation:

3p+4=25

Answer:

Equation is  3p+4=25p=7

Step-by-step explanation:

Isolate the variable

3p + 4 - 4 = 25 - 4

Simplify

3p = 21

Solve for p

3p/3 = 21/3

p=7

What is (-9)with exponent of 2

Answers

Hey there! I'm happy to help!

An exponent of two means you square the number. So, we have -9×-9. Two negatives makes a positive, so our answer is 81.

Have a wonderful day! :D

Addison drove 1,170 miles in 18 hours. What was her speed in miles per hour

Answers

Answer:

65 MPH

Step-by-step explanation:

Speed = Distance/Time

x = 1170/18

x = 65 MPH


[tex] {18e}^{ - 3x} \geqslant 0[/tex]
PLZ help​

Answers

Greetings from Brasil...

Note the graph of the function eˣ (or e⁻ˣ). We conclude that for any value of X, the result will be between 0 and +∞.\

So there is no value for X that the result of m.eˣ (or m.e⁻ˣ) is negative.

So you can answer:

For the equation of the statement of the question, with any value of X, we will always obtain a number greater than zero

S = {X | X∈ ℝ}

(OBS: we'll never get zero. We can get very close, but never zero)

The sets B and F are given below.
B={1,2,4,6,7)
F=(-2,-1,1,5,6)
Find the union of B and F.
Find the intersection of B and F.
Write your answers using set notation in roster form).

Answers

Answer:

(BuF) = -2,-1,1,2,4,5,6,7

(BnF)= 6

Need help with this ASAP!

Answers

I believe the answer would be B
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