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3 years ago

A rectangle prism has dimensions of 2cm by 2cm by 5cm. What is it’s volume and surface area show your reasoning.

Mathematics

2 answers:

GenaCL600 [577]3 years ago

8 0

Volume=20 cm3 because bh(h) and idk SA

mariarad [96]3 years ago

7 0

Volume = length x width x height
2 x 2 x 5 = 20 cm

surface area = 2 (lw + hl + hw)
2 ( 2 x2 + 5x2 + 5x2)
2 (4+10+10)
2(24)
48 cm

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ABCD is a parallelogram. If ad = 2x + 10 and CD = 4x - 20, for what value of x will abcd be a rhombus

dimaraw [331]

Answer:

Step-by-step explanation:

All sides of a rhombus are equal, so

$2x+10=4x-20 \\ \\ 10=2x-20 \\ \\ 2x=30 \\ \\ x=15$

3 0

11 months ago

Write the equation of the line in point slope form that passes through (-1, -2) and ( 1, 4).

Musya8 [376]

Answer:

y+2= 3(x+1)

Step-by-step explanation:

First you need to find slope by using y2-y1/x2-x1

you should get 3 for your slope(m)

Them you chose any point iḿ using (-1, -2)

The formula for point slope form is...

y-y1=m(x-x1)

plug those numbers in and you get

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3 years ago

What is the value of the expression 18-2×(4+3)

nlexa [21]

18-2x(4+3)
18-8x+6x
18-14x
that is as much as i can do.
hope it helps

5 0

3 years ago

Pretty pretty please if ur good at geometry!! Help a girl out!!

sweet-ann [11.9K]

Answer:

Yes, They are similar by SSS PMK similar to LMQ.

Step-by-step explanation:

Similar triangles corresponding side lengths are in a proportion.

KM corresponds with MQ

PM corresponds with LM.

Set up this proportion.

$\frac{km}{pm} = \frac{lm}{mq}$

$\frac{15}{28} = \frac{21}{39.2}$

Cross multiply

$588 = 588$

So the triangles ARE Similar.

PM corresponds with LM
KM corresponds with MQ
PK corresponds with LQ
So PMK is similar to LMQ

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3 years ago

A basketball league plays a total of 90 games. How many teams are in the league if each team plays every other team twice?

REY [17]

Since the League itself is 90 games, and we know that each team will play each other twice, The equation can be written as:

90÷2

♡There are 45 teams in the basketball league.♡

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3 years ago