3 years ago

2(a-3)Expand please

Mathematics

1 answer:

weeeeeb [17]3 years ago

5 0

Answer:

2a-6

Step-by-step explanation:

2(a-3)

2*a-(2*3)

2a-6

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-5(x+7)<-10 solve for x

olga2289 [7]

-5(x+7)<-10.
You need to use the distributive property.
-5x - 35 < -10.
You need to cancel out -35, so you add it to itself, & -10.
-5x < 25.
You need to divide -5 by itself & 25.
x>-5.

3 0

3 years ago

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Explain how you might use the properties of multiplication to solve 5 × 120 × 6.232 mentally. Then solve.

zysi [14]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

In this question, we apply the associative property that calculates the given value, which can be defined as follows:

Rule:

$\bold{\to (A\times B)\times C= A \times (B\times C)}$

Let,

$A= 5\\B=120\\C=6.232$

put the value in the above rule:

Solve L.H.S part:

$\to (5\times 120)\times 6.232\\\\\to (600)\times 6.232\\\\\to 3,739.2$

Solve R.H.S part:

$\to 5 \times (120 \times 6.232)\\\\\to 5 \times 747.84\\\\\to 3,739.2$

So, L.H.S=R.H.S

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2 years ago

All of the following are equivalent ratios except... a) AR:RC b) BS:BC c) AR:AC

kiruha [24]

We know that

in the figure equivalent ratios are
BS/BC
and
AR/AC

therefore

AR/RC is not equivalent

the answer is
AR/RC

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3 years ago

I NEED HELP ITS FOR A GRADE THIS IS LAST QUESTION I GIVE U BRAINLIEST IF U GET IT RIGHT

yulyashka [42]

Answer:

1rst is 2

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3rd is 26 4/5

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3 years ago

What percent of 640 is 160?

ale4655 [162]

160 is 25 percent of 640

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3 years ago

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2(a-3)Expand please​

2(a-3)Expand please