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3 years ago

I need help pleaseee I don’t understand how to do this

Mathematics

1 answer:

saul85 [17]3 years ago

6 0

Answer:

-1x/-5y=-1.5

Step-by-step explanation:

when you enter the values into the graph, you get the slope. then divide the total by 5 and you get the correct answer.

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In a certain class 40% of students are girls and 20% of the girls wear glasses what percent of the children in the class a girl

Zielflug [23.3K]

Okay.
40/100 students are girls.
20% of those 40 girls wear glasses.
So that's 20/40.
20/100

4 0

2 years ago

What is the common ratio of the following sequence?<br> -5, -20, -80,...

grin007 [14]

Answer:

Multiply by 4

Step-by-step explanation:

The next number would be -320

8 0

3 years ago

Read 2 more answers

The diagram shows a 3 cm x 5 cm x 4 cm cuboid

Rainbow [258]

Answer:

a) The length of segment AC is approximately 5.83 centimeters.

b) The angle ACD is approximately 34.5º.

Step-by-step explanation:

a) Since $AB \perp BC$ , the length of segment $AC$ is determined by Pythagorean Theorem, that is:

$AC = \sqrt{(5\,cm)^{2}+(3\,cm)^{2}}$

$AC \approx 5.831\,cm$

The length of segment AC is approximately 5.831 centimeters.

b) Since $AB \perp BC \perp AD$ , the length of segment $AD$ is determined by this Pythagorean identity:

$AD = \sqrt{(3\,cm)^{2}+(5\,cm)^{2}+(4\,cm)^{2}}$

$AD \approx 7.071\,cm$

The angle ACD is determined by the following trigonometric expression:

$\cos C = \frac{AC}{CD}$

$\cos C = \frac{5.831\,cm}{7.071\,cm}$

$\cos C = 0.825$

$C = \cos^{-1} 0.825$

$C \approx 34.448^{\circ}$

The angle ACD is approximately 34.448º.

4 0

2 years ago

The food stand at the zoo sold 2,514 pounds of hamburger last month. The average cost a pound of hamburger $2. Jeremy estimates

sergiy2304 [10]

That is about right... 2,514 X 2 = 5,028 so he is about 1,000 off. I will leave the rest to you.

7 0

3 years ago

Irma works for a service that delivers groceries and pet supplies. She earns a base monthly salary of $1,900. In addition, she g

ruslelena [56]

Irma’s annual income has the delivery fees already taken out. earnings based on salary and commission is higher becuase fees have not been taken out

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2 years ago