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kupik [55]
3 years ago
14

Helpppp me pleaseee​

Mathematics
1 answer:
mixer [17]3 years ago
3 0

Answer:

1 st questions answer is  third option

while the answer of other question is  3

Step-by-step explanation:

2nd qestions explanation

put value of x=2 in equation as x-2=0 from equation

(2)^3-6(2)^2+a2+10=2

8-24+a2+10=0

2a=-18+24

2a=6

a=3

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2x – 3(X + 8) = -21<br> Solve for x step by step <br> Please answer quickly
AnnyKZ [126]

Answer:

x = -3

Step-by-step explanation:

2x – 3(x + 8) = -21

Distribute

2x - 3x - 24 = -21

Combine like terms

-x - 24 = -21

Add 24 to both sides

-x = 3

Multiply both sides by -1

x = -3

3 0
3 years ago
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A triangle has a 90° angle and two sides that measure 5 cm in length. Which statements are true about this triangle?
Ivenika [448]

Answer:

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Step-by-step explanation:

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3 years ago
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Convert a markup of 15% on selling price to its equivalent markup on cost.
spayn [35]

Answer:

option: D is correct. (  (D) a markup of 15% on selling price is equivalent to a 85% markup on cost ).

Step-by-step explanation:

" Markup is the percentage difference between a product's cost and its selling price "

Since we are asked to Convert a markup of 15% on selling price to its equivalent markup on cost.

As there is a markup of  15% on selling price. Hence the cost of the product would be (100-15)%=85% of the selling price.

<em>Hence, a markup of 15% on selling price is equivalent to a 85% markup on cost.</em>

<em>Hence, option D is true.</em>

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4 years ago
What is the equation in slope-intercept form for each line
erastova [34]
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4 0
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Katie worked 40.5 hours this week. She makes $8 per hour. How much money did she earn this week?
aivan3 [116]

Answer:

$324

Step-by-step explanation:

if

=> 1hr = $8

then,

=> 40.5 x 8 = 324

=> 40.5 hr = $324

She earned $324 this week.

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