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3 years ago

PLEASE HELP ME ASAP SHE SAID IT WASN'T B NOR C!!!!

Mathematics

2 answers:

garri49 [273]3 years ago

7 0

Yeah A might be it…this questions makes no sense if it’s the answer tho

Liula [17]3 years ago

4 0

Answer:

hmm try option a................

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What is the sale price to the nearest cent? $239 television; 10% discount

miv72 [106K]

Answer:

The sale price will be: $215.10

Step-by-step explanation:

We know that:

Sale price = Regular price × (100% - Discount %)

= Regular price × (100% - 10%)

= 239 × 90%

= 239 × 0.9

= 215. 10 $

Therefore, the sale price will be: $215. 10

3 0

3 years ago

Prove the polynomial identity.

Kaylis [27]

Answer:

Proven

Step-by-step explanation:

We prove the polynomial with factorization. We must first simplify the expression before we can factorize:

$(4\cdot{x^2}-2)\cdot{(4\cdot{x^2}-2)}-16\cdot{x^4}$

$16\cdot{x^4}-8\cdot{x^2}-8\cdot{x^2}+4-16\cdot{x^4}$

$4-16\cdot{x^2}$

4 is the common number and we can take it out of the expression:

$4\cdot{(1-4\cdot{x^2})}$

We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven:

$4\cdot{(1-2\cdot{x})}\cdot{(1+2\cdot{x})}$

5 0

3 years ago

you have 12 cards. one out of every 4 cards is faceup. the rest are facedown. how many cards are faceup

umka2103 [35]

3 cards

1/4 = x/12 1/4 = 3/12
4 * 3 = 12
1 * 3 = 3
x = 3

7 0

3 years ago

Lexi picked 2 7/10 pounds of strawberries. That afternoon, Lexi’s sister ate 7/8 of the strawberries. How many pounds of strawbe

gavmur [86]

3 $\frac{3}{35}$ pound of strawberry

Step-by-step explanation:

Given parameters:

Pounds of strawberry picked by Lexi =2 $\frac{7}{10}$

Pounds of strawberry eaten by Lexi sister = $\frac{7}{8}$

Unknown:

Pound of strawberry Lexi's sister ate = ?

Solution:

This is a fraction word problem.

Let pound of strawberry eaten by Lexi's sister = K

We can establish that:

Pound of strawberry eaten by Lexi sister x K = Pound of strawberry picked by Lexi

Mathematically we have:

$\frac{7}{8}$ x K = 2 $\frac{7}{10}$

Learn more:

fractions brainly.com/question/1757979

#learnwithBrainly

K = $\frac{27 x 8}{10 x 7}$ = $\frac{216}{70}$

K = 3 $\frac{3}{35}$ pound of strawberry

8 0

3 years ago

Need answer!! please help.

defon

Answer:

I think A

Step-by-step explanation:

8 0

3 years ago