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Dafna11 [192]
3 years ago
15

"The difference between four-fifths of a number and 11 is -46."

Mathematics
2 answers:
dmitriy555 [2]3 years ago
4 0

Answer:

The number is -43.75.

Step-by-step explanation:

4x/5 - 11 = -46

4x/5 = -35

x = -43.75

erica [24]3 years ago
3 0

Answer:

-43.75

Step-by-step explanation:

This is the answer because:

1) We know that 4/5 of a number has to equal -35 since -46 + 11 = -35.

2) 4/5x = -35 (solve for x): -35 ÷ 4/5 = -43.75

3) 4/5 x -43.75 = -35, I got this by solving for x (look at step 2)

Therefore, the answer is -43.75

Hope this helps! :D

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Help me this is hard
siniylev [52]

Following PEMDAS is crucial to solving these. Please Excuse My Dear Aunt Sally

P - Parenthesis

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

Multiplication/Division and Addition/Subtraction are interchangeable.

Now then, number 1 has the following:

4-2*409-8*96

There are no parenthesis or exponents, but there is multiplication, so we will start with multiplying. There are two multiplication expressions in the problem.

-2 * 409 = -818

-8 * 96 = -768

Since you did that, your answer has been simplified to:

4-818-768

Now, all you have to do is combine your like terms. Since every term is alike, you can combine the whole expression.

4-818-768 = -1582

So, your final answer would be:

4-2*409-8*96 = -1582

Hopefully with this information, you can solve the rest. If you have any questions, let me know.

3 0
3 years ago
PLEASE HELP I SUCK AT MATH
Lerok [7]

its B  y=4x

because all the number equals four like

2*4=8

3*4=12

4*4=16

5*4=20

4 0
3 years ago
Read 2 more answers
3х - 2y = 14<br> 5х + бу =42 <br> What’s this on a graph?
Gelneren [198K]

Answer:

Step-by-step explanation:

9x - 6y = 42

5x + 6y = 42

14x = 84

x = 6

30 + 6y = 42

6y = 12

y = 2

(6, 2)

8 0
3 years ago
What is 26.553 rounded to the nearest hundred?​
valentinak56 [21]

Answer:

26.55

Step-by-step explanation:

When rounding to the nearest whatever, you always look at the digit to the right of it. In this case, you look at the thousandth digit. 3 is not equal to or less than five, so you round 3 to 0 and you get 26.55

5 0
3 years ago
Factor by grouping. <br> 9x3 – 39x2 – 30x
nikdorinn [45]

Given:

The expression is

9x^3-39x^2-30x

To find:

The factors by grouping method.

Solution:

We have,

9x^3-39x^2-30x

Taking out common factors, we get

=x(9x^2-39x-30)

Splitting the middle term, we get

=x(9x^2-45x+6x-30)

By grouping method, we get

=x(9x(x-5)+6(x-5))

=x(x-5)(9x+6)

Therefore, the factor form of given expression is x(x-5)(9x+6).

3 0
3 years ago
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