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3 years ago

Helppp pleaseeeeeeeeee

Mathematics

1 answer:

aalyn [17]3 years ago

8 0

Answer:

hope this helps.............

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Expand and simplify the polynomial: (2x^3)(5x^4)

Roman55 [17]

(2x^3)(5x^4)
= (2*5)(x^3*x^4)
= 10x^7

4 0

4 years ago

Read 2 more answers

to date jay ward has a cumulative earnings of $95,000. this week he is paid $3000. the total amount of social security tax for t

Komok [63]

<span>$95,000 cumulative + $3000 current week = $98,000 Since the $98,000 is over the maximum social security limit of $97,500, you calculate the social security as follows:
Social Security: $97,500 - $95,000 = $2500
($2500)(0.062) = $1550 This is the social security tax
Medicare: ($3000)(0.0145) = $43.50 This is the medicare tax since there is no maximum limit.</span>

3 0

3 years ago

146x1600=_____<br>Please help me Q-Q <br>Thank you guys, have a good day

yawa3891 [41]

Answer:

233600

Step-by-step explanation:

46x600=27600

27600

100x1000=1000000

=233600

Have a nice day

4 0

3 years ago

Explain how to write a composite function to find the area of the region at time t.

andrey2020 [161]

Answer:

$The composite function is:a(r(t)) = π (0.5 + 2t)²After simplification it becomes:a(r(t)) = π (0.25 + 2t + 4t²)Step-by-step explanation:Here is the complete function:a circular oil spill continues to increase in size. the radius of the oil spill, in miles, is given by the function r(t) = 0.5 + 2t, where t is the time in hours. the area of the circular region is given by the function a(r) = πr², where r is the radius of the circle at time t. Explain how to write a composite function to find the area of the region at time t.Solution:The composite function is written by applying one function to another. The requirement of this question is to write a composite function to find are of region at time t.Leta(r) = πr²is function 1andr(t) = 0.5 + 2tis function 2ThenThis means that function r(t) should be applied to a(r) and it should be inside function a(r)Then composite function becomes:a(r(t))Now put the value of r(t) = 0.5 + 2t into a(r) = πr²a(r(t)) = π (0.5 + 2t)²So this is the composite function to find area of the region at time tSimplifying this equation we get:a(r(t)) = π (0.5 + 2t)² = π (0.5 + 2t) (0.5 + 2t) = π [(0.5 * 0.5)+ (0.5 * 2t) + (2t * 0.5) + (2t *2t)] = π (0.25 + 1t + 1t + 4t²) = π ( 0.25 + t + t + 4t²) = π (0.25 + 2t + 4t²)a(r(t)) = π (0.25 + 2t + 4t²)$

Step-by-step explanation:

Hope it helps you ✌️

5 0

3 years ago

I need help with my math!

pantera1 [17]

Answer:

there are a total of 20 boys and 30 girls in the choir of 50 students

Step-by-step explanation:

Scale the ratio 2:3. so that the numbers on either side sum to 50 . 2+3=5 , and 50÷5=10 , so we scale our ratio by a factor of 10 . So there are a total of 20 boys and 30 girls in the choir of 50 students

3 0

3 years ago