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loris [4]
3 years ago
12

How do I do Question 9?

Mathematics
2 answers:
saw5 [17]3 years ago
5 0

Answer:

$9.30 x 30 minutes and $9:30 x 5 hours

Step-by-step explanation:

Brums [2.3K]3 years ago
3 0
If I did the math right it should be: he should earn $186. Hopefully I was helpful.
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Frank kept track of the amount of money he earned each day for 2 weeks.the amounts,in dollars,are listed below.
Lena [83]

Answer:

Step-by-step explanation:

5 0
3 years ago
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6 0
3 years ago
Read 2 more answers
A rectangle has a height of k2 + 3 and a width of k2 + 7.
ElenaW [278]

Answer:

The area of the rectangle in polynomial form is k^4 +10 k^2 + 21

Step-by-step explanation:

Given

Shape: Rectangle

Height: k^2 + 3

Width: k^2 + 7

Required

Area of the rectangle

The area of a rectangle is calculated as thus;

Area = Length * Width

By substituting k^2 + 3 for height and k^2 + 7 for width; This gives

Area = (k^2 + 3)(k^2 + 7)

Expand the bracket

Area = k^2(k^2 + 7) + 3(k^2 + 7)

Open each bracket

Area = k^2*k^2 + k^2*7 + 3*k^2 + 3*7

Area = k^4 +7 k^2 + 3k^2 + 21

Area = k^4 +10 k^2 + 21

Hence, the area of the rectangle in polynomial form is k^4 +10 k^2 + 21

5 0
3 years ago
Samantha is making some floral arrangements. The table show the prices 1/2 dozen of each type of flower.
adelina 88 [10]
Working:
$5.29 + ((2/3) x 3.59) + ((4/3) x 4.79)
= $14.07 (to 2d.p.)

So, she estimated correctly that she will spend around $14 on the flowers but slightly more than $14, so I don't really know if you should say that she estimated correctly or not
5 0
3 years ago
Help please ! 11x+4<15 or 12x+7>-25
barxatty [35]

Answer:

A

Step-by-step explanation:

From the first inequality,we got:

11x+4<15

11x<11

x<1

From the second inequality,we got:

12x>-18

x>-3/2

Combine it together we got

-3/2<x<1

5 0
3 years ago
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