3 years ago

Midpoint and line length

Mathematics

1 answer:

Hatshy [7]3 years ago

7 0

Grade level is this. and in my opinion I think it c because the grade level was midpoint at the section?

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Indira is using a number line to add Negative 1 + (negative 3). She begins by showing –1 on the number line, as shown below.

jarptica [38.1K]

Answer= -4

-1+-3=-4

Step by step-
Add like normal then add the sign since both numbers are negative.
3+1= 4 then add the sign

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3 years ago

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Help please algebra 8th grade need to finish ASAP!! A.27 B.33 C.60 D.93

Alex787 [66]

C.60 its the same size and shape as the 60 above it

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3 years ago

24 is equal to 3 more than the product of 7 and number

Lostsunrise [7]

24 = 7x + 3

7x = 21

21/7 = 3, so:

x = 3

The number is 3

7 0

3 years ago

The following box plot shows points awarded to dance teams that competed at a recent competition:

Komok [63]

Answer:The answer would be A. 1 1/5

48/40 = 1 8/40

1 8/40 Simplify to 1 1/5

Hope this helps!

Step-by-step explanation:

3 0

3 years ago

A pentagonal prism has a height of 9 feet, and each base edge is 3 feet. Find the volume. Round your answer to the nearest hundr

OLga [1]

Height of the pentagon = 9 ft

Edge of base = 3 ft

$area of pentagon = \frac{s^{2}n}{4 tan\left ( \frac{180}{n} \right )}$

s is the length of any side = 3

n is the number of sides = 5

tan is the tangent function calculated in degrees

$\\ \\\\area of pentagon = \frac{3^{2}(5)}{4 tan\left ( \frac{180}{5} \right )}\\\\\\area of pentagon = \frac{9(5)}{4 tan\left ( 36 \right )}\\\\area of pentagon = \frac{45}{4 ( 0.7265 )}\\\\area of pentagon = \frac{45}{2.906}\\\\area of pentagon = 15.4852$

Volume of the pentagon = area of base (height )

Volume of the pentagon = 15.4852 (9)

Volume of the pentagon = 139.366

Volume of the pentagon = 139.37 cu.ft

5 0

3 years ago

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