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3 years ago

Unit test

Mathematics

1 answer:

Vlada [557]3 years ago

5 0

I think the answer is d

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How do I solve -15= -3n/5

xenn [34]

Answer:

Step-by-step explanation:

$-\dfrac{3n}{5}=-15\qquad\text{multiply both sides by (-5)}\\\\(-5\!\!\!\!\diagup^1)\left(-\dfrac{3n}{5\!\!\!\!\diagup_1}\right)=(-5)(-15)\\\\3n=75\qquad\text{divide both sides by 3}\\\\n=25$

5 0

3 years ago

In a topographical map of a city, the vertices of the city limits are A(10,9),B(18,9),C(18,2),D(14,4.5),E(10,4.5). The coordinat

Kipish [7]

Answer:

41 square miles

Step-by-step explanation:

There are several ways you can compute the area of this polygon. We have elected to divide it into a rectangle and a triangle.

The rectangle has dimensions 8 × 4.5, so area ...

A = LW = 8 × 4.5 = 36 . . . . . square miles

The triangle has height 2.5 and base 4, so area ...

A = (1/2)bh = (1/2)(4)(2.5) = 5 . . . . . square miles

Then the total area is the sum of these:

36 + 5 = 41 . . . . . square miles

4 0

4 years ago

PLS PLS PLS HELP IM STUCK AND I KEEP GETTING IT WRONG

Reil [10]

Answer: burh

hey i know the answer but

Step-by-step explanation:

3 0

3 years ago

Pls help me i am giving 50 points if you dont answer correctly your answer will be reported :(

lutik1710 [3]

Answer:

If this is not the right answer I am very sorry.

cone: 192

cylinder: 86.7

in all: 278.7

Step-by-step explanation:

16x12=192 = cone

17x5.1=86.7 = cylinder

192+86.7=278.7 = in all

3 0

3 years ago

I NEED PLZ HELP ASAP!!!!

andriy [413]

Answer:

x=10

Step-by-step explanation:

x/15=22/33

22/33 also equal 2/3 ( 11 as common factor)

x/15=2/3

3x=30

x=30/3

x=10

6 0

3 years ago

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