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3 years ago

Please help me. 10 pts

Mathematics

2 answers:

mina [271]3 years ago

4 0

The answer to your problem is -2.1.

Goryan [66]3 years ago

3 0

Because it is a negative plus a negative you would take away -1.8 from -.3. you would then get -2.1

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Andrei [34K]

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3 years ago

Rewrite the fraction using the least common denominator 4/9 7/15

denis23 [38]

Answer:

20/45 & 21/45

Step-by-step explanation:

Find a common denominator. What you do to the denominator, you do to the numerator. In this case, the smallest denominator is 45.

(4/9)(5/5) = 20/45

(7/15)(3/3) = 21/45

The two fractions you have is:

20/45 for 4/9

21/45 for 7/15

6 0

4 years ago

Read 2 more answers

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

sveta [45]

ANSWER

C. 28

EXPLANATION

The given expression is

${x}^{2} - 7x + 10$

We want to evaluate this function at x=-2.

We just have to substitute x=-2 into the given expression.

In other words, we have to replace x with -2 wherever we see x in the expression

${( - 2)}^{2} - 7( - 2) + 10$

We evaluate the exponent to get

$4 - 7( - 2) + 10$

We multiply next to get:

$4 + 14+ 10$

We now add to obtain:

$28$

The correct answer is C

6 0

3 years ago

Pleaseeeeeeee help meee

galben [10]

Answer:

Step-by-step explanation:

sorry if I got it wrong but from what I understand it is 11

6 0

3 years ago