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VARVARA [1.3K]
2 years ago
7

Solve y – 7 > 3 + 2y A) y -10 D) y > -10

Mathematics
1 answer:
Anika [276]2 years ago
7 0

Answer:

D. -y > 10

Step-by-step explanation:

First, move the variable (+ 2y) to the left-hand side and change its sign.

y - 2y - 7 > 3

Then, move the constant (+ 7) to the right-hand side and change its sign.

y - 2y > 3 + 7

Then, collect the like terms (y - 2y)

-y > 3 + 7

Finally, add the numbers (3 + 7). That will get you your final answer.

-y > 10

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How do you simplify 15/40​
Katyanochek1 [597]

Answer:3/8

Step-by-step explanation:

The simplest form of  

15 /40  is  3 /8 .

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 15 and 40 is 5

Divide both the numerator and denominator by the GCD

15 ÷ 5

40 ÷ 5

Reduced fraction:  

3 /8

Therefore, 15/40 simplified to lowest terms is 3/8.

3 0
2 years ago
What is the sales tax of a $178.90 video game system is the tax rate is 3.75%
juin [17]
It would be: 178.90 * 3.75%
= 178.90 * 0.0375
= 6.71

In short, Sales tax would be $6.71

Hope this helps!
3 0
3 years ago
What is the product of 1 1/2 and -1 1/4?
Savatey [412]

positive number times negative number is negative number "(+)(-) = (-)".

1\dfrac{1}{2}\cdot\left(-1\dfrac{1}{4}\right)=-\left(1\dfrac{1}{2}\cdot1\dfrac{1}{4}\right)

we change the mixed numbers to the improper fractions

=-\left(\dfrac{1\cdot2+1}{2}\cdot\dfrac{1\cdot4+1}{4}\right)=-\left(\dfrac{3}{2}\cdot\dfrac{5}{4}\right)=-\dfrac{3\cdot5}{2\cdot4}=-\dfrac{15}{8}=-1\dfrac{7}{8}

6 0
3 years ago
How do I solve ?? It’s cylinders
UkoKoshka [18]
V= 3.14r^2h
10/2= r
5^2= 25
(3.14)(25)(6)
V=471
3 0
3 years ago
Every 125 pages that Raul reads during his summer reading challenge, he will collect 5 book points to use at his local library.
monitta

Answer:

The answer is "\frac{1}{25}"

Step-by-step explanation:

They might claim that perhaps the ratio to Raul would've been:\frac{y}{x} = \frac{5}{125} = \frac{1}{25} per each 125(x) page, which he reviewed throughout a summer competition.

Raul's cost per unit for each paragraph reads is \frac{1}{25} page points, that's why the model a link with the same unit rate. please find the graph in the attached file.

8 0
2 years ago
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