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3 years ago

Which number line shows the solution set of the inequality [6x - 15] 297

Mathematics

1 answer:

Kipish [7]3 years ago

5 0

Answer:

egnue5neiybyejmkye dt

Step-by-step explanation:

vsk nsg js y h . eth ydj tsh dyjharn . ustnyek.jtw wrhmta

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A student answer 86 problems on a test correctly and received a grade of 98% how many problems were on the test if all the probl

adoni [48]

Answer:

87 or 88

Step-by-step explanation:

86 is 98% of 87.755102

So, the number of problems must have been 87 or 88

6 0

3 years ago

25 is what percent of 29?

kolezko [41]

Answer:

86.2%

Step-by-step explanation:

25/29=0.862

7 0

4 years ago

Read 2 more answers

Please help!! thank you.

Zina [86]

(A) Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ is:

$(-2x^{3}+x-5)(x^{3}-3x-4)$

$=-2x^{3}(x^{3}-3x-4)+x(x^{3}-3x-4)-5(x^{3}-3x-4)$

$=(-2x^{3})(x^{3})+(-2x^{3})(-3x)+(-2x^{3})(-4)+x(x^{3})+(x)(-3x)+(x)(-4)+(-5)(x^{3})+(-5)(-3x)+(-5)(-4)$

$=-2x^{6}+6x^{4}+8x^{3}+x^{4}-3x^{2}-4x-5x^{3}+15x+20$

$=-2x^{6}+6x^{4}+x^{4}+ 8x^{3}-5x^{3}-3x^{2}-4x+15x+20$

$=-2x^{6}+7x^{4}+3x^{3}-3x^{2}+11x+20$

(B) Yes.

Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ = Product of $x^{3}-3x-4$ and $-2x^{3}+x-5$ because multiplication is commutative.

Commutative Property of multiplication says that a.b = b.a.

Thus, multiplication is same irrespective of the order of two numbers.

5 0

3 years ago

A $450 TV is discounted 10%, and then another 10% a week later. Explain why taking 20% off the original price will not help you

ExtremeBDS [4]

Answer:

Because the price did not stay the same when they discounted it by 10% percent before.

Step-by-step explanation:

10% percent of 450 is 45 so Subtracting that from 450 would give you,405.

They deducted another 10% percent a week later 10 percent of 405 would be 40.5 so you would subtract that from 405 which would make it 364.5

If you took 20% off originally then 20% of 450 is 90 so subtracting that would make 450 into 360 which is different from 364.5

4 0

3 years ago

randy has 128 ounces of dog food. he feeds his dog 8 ounces of food each day. how much days will the dog food last

notsponge [240]

You do 128÷8 and you get 16

5 0

3 years ago

Read 2 more answers