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bekas [8.4K]
3 years ago
14

PLEASE PLEASE HELP

Mathematics
2 answers:
Sophie [7]3 years ago
8 0

my friend she can help u

UNO [17]3 years ago
3 0

Answer:

First we want to calculate the volume of the rectangular prism and subtract it from the triangular prism.

Volume of Rectangular Prism:

Let V1 be the volume of the rectangular prism.

V1 = base * height * length.

The base and the height are both 1.7, but the length is the same length of the triangular prism, which is 4. Thus:

V1 = 1.7 X 1.7 X 4

V1 = 11.56 cubic units

Volume of Triangular Prism:

Let V2 be the volume of the triangular prism:

V2 = (base X height X length) / 2

V2 = (5 X 5.7 X 4)/2

V2 = 57 cubic units.

Now we find the total volume. Let Vt be the total volume. The total volume is the shaded minus the unshaded. Thus:

Vt = V2 - V1

Vt = 57 cubic units - 11.56 cubic units

Vt = 45. 44 cubic units

Therefore the volume of the shaded region is 45.44 cubic units.

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If 18 is subtracted from twice the square of an integer, the
Sergeu [11.5K]

Answer:

-3/2

Step-by-step explanation:

Let x = the integer:

2x^2 - 18 = 9x

2x^2 - 9x - 18 = 0

Now either factor that or use the quadratic formula if you're lazy like me.

x = -3/2 and 6, so x must be 6 because it has to be an integer.

5 0
2 years ago
PLEASE HELP
stiv31 [10]

Answer:

I think it would be 34 because I divided 68.2 by 4 and got 17.05, so I multiplied that by 2, and it's closest to 34.

<em>So I think it's A.</em>

But y'all don't be mad if I'm wrong cuz I said I think.

5 0
2 years ago
There are 3/4 as many boys as girls in a class of fifth graders. If there are 35 students in the class, how many are girls?
OLEGan [10]

Answer:

20 There are 15 boys and 20 girls.

4 0
3 years ago
(8 × 7 − 3) × 7 Match each expression to another expression with the same value
kodGreya [7K]

Hey there!

(8 * 7 - 3) * 7

= 8(7)(7) - 3(7) ⬅️ POSSIBLY BE AN EQUIVALENT EXPRESSION

= 56(7) - 3(7)

= 392 - 3(7)

= 392 - 21

= 371 ⬅️ OVERALL ANSWER/EQUATION ANSWER

Most likely your answer should be:

• 8(7)(7) - 3(7)

• 56(7) - 3(7)

• 392 - 3(7)

• 392 - 21

EITHER OF THESE SHOULD WORK ⬆️

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

8 0
2 years ago
Read 2 more answers
Type the correct answer in each box. Use numerals.
EastWind [94]
2y=-x+9
6y=3(-x+9)

3x-3(-x+9)=-15
3x-(-3x+27)=-15
3x+3x-27=-15
6x=-15+27
6x=12
x=2

2y=-2+9
2y=7
y=7/2

Answer is (2 ; 7/2)
4 0
3 years ago
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