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3 years ago

I need help on this question

Mathematics

2 answers:

lyudmila [28]3 years ago

5 0

Easy, the answer is: B. 11 3/20

Arisa [49]3 years ago

5 0

2.75 + 2.2 + 1.4 + 3.5 + 1.3 = 11.15
3/20 = 0.15
The correct answer is C!

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I just want someone to check if i did all these correctly according to the directions

tekilochka [14]

Answer:

Yes

Step-by-step explanation:

For number 3 you answered them all correctly as well as number 4 and 5. Don't hesitate asking questions like these :D

6 0

3 years ago

Is this equation true, false or open? 9p+8=10p+7

il63 [147K]

9p+8=10p+7

9p - 10p = 7 - 8

-p = -1

p = 1

TRUE

6 0

3 years ago

Suppose y varies directly with x, and y = 8 when x = –6. What direct variation equation relates x and y? What is the value of y

Agata [3.3K]

Given:
y varies directly with x
y = 8 when x = -6

what is the value of y when x = -2?

y = kx

we need to get the constant of variation.
8 = k(-6)
8/-6 = k
4/-3 = k or - 1 1/3

y = -4/3 (-2)
y = (-4*-2) / 3
y = 8 / 3
y = 2 2/3 OR 2.67

The correct answer is Choice B. y = -1.33x ; 2.67

4 0

3 years ago

Pls help!!!

natka813 [3]

Answer:

The area of the base B is equal to $770\ cm^{2}$

The volume is equal to $10,087\ cm^{3}$

Step-by-step explanation:

I will proceed to resolve the problem indicated in the attached figure.

The figure shown a inverted rectangular pyramid

The base is a rectangle

The area of the base B is equal to

$B=(35)(22)=770\ cm^{2}$

To find how many cubic centimeters of titanium are needed to manufacture one tip, calculate the volume of the figure

<em>Find the volume of the inverted rectangular pyramid</em>

The volume of the pyramid is equal to

$V=\frac{1}{3}BH$

we have

$B=770\ cm^{2}$

$H=39.3\ cm$

substitute

$V=\frac{1}{3}(770)(39.3)=10,087\ cm^{3}$

5 0

3 years ago

The Menswear Department of Nancy‘s Department Store had sales of $191,000, cost of goods sold of $134,000, indirect expenses of

IRISSAK [1]

The contribution of overhead as percentage of sales will be found as follows:
Overheads=134000+13550+27800=$175350
Sales=$191000
thus the percentage of overheads will be:
overheads/sales
=175350/191000
=0.91806
=91.806%

4 0

3 years ago