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3 years ago

If I have 28 sixth graders and 35 seventh graders how many groups can I have with none leftover

1 answer:

5 0

Find GCF of 28 and 35:-

28 = 4*8
35 = 5*7 so GCF is 7

So you can have 7 groups of 4 6th graders with 5 7th graders

That is 7 groups of 9 with none left over.

Answer is 7 groups.

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A number, n, is multiplied by -5/8. The product is -0.4. What is the value of n?

Advocard [28]

The answer is D. 16/25

-5/8 = -0.625

-0.4 divided by -0.625 = 0.64

0.64= 16/25

5 0

3 years ago

1. -88 = -3(4m + 5) - (1 - 3m)

Vadim26 [7]

Answer:

m=8

Step-by-step explanation:

-88=-3(4m+5)-(1-3m)

-88=-12m-15-(1-3m) <- Distributive Property

-88=-12m-15-1+3m <- Open () if there is a negative negative the symbol equals positive

-88=-9m-16 <- Simplify

0=-9m+72 <- Add 88 to both sides

9m = 72 <- Add 9m to both sides

9m = 72

/9 /9

m=8

6 0

3 years ago

For what values of x is x2+2x=24 true?

JulijaS [17]

Answer:

$x=-6$ and $x=4$

Step-by-step explanation:

We must solve the quadratic equation to find the values of x that satisfy equality

$x^2+2x=24$

Subtract 24 on both sides of equality

$x^2+2x-24=24-24$

$x^2+2x-24=0$

Now we factor the quadratic equation

Identify two numbers that when you add them you get as a result 2 and when you multiply them you get as a result -24

The numbers sought are: 6 and -4

So the factors are:

$(x+6)(x-4)=0$

Finally note that the solutions are:

$x=-6$ and $x=4$

5 0

3 years ago

Read 2 more answers

Pls I need help not the best at this.

Mazyrski [523]

Answer:

Step-by-step explanation:

because I did the math and had my mom check it :)

7 0

3 years ago

Write 3 equivalent ratios for 6/9

Arte-miy333 [17]

2/3, 12/18, and 24/36 should be okay.

6 0

3 years ago