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Travka [436]
3 years ago
8

100 POINTS!!! WILL MARK BRAINLIEST FOR CORRECT ANSWER AND STEP BY STEP EXPLANATION! PLEASE ANSWER BOTH QUESTIONS

Mathematics
2 answers:
liraira [26]3 years ago
7 0

Answer:

840cm^{2}

Step-by-step explanation:

8×6×15=720

5×6×4=120

720+120=840

3241004551 [841]3 years ago
6 0

Answer:

V= 840cm^3,   V=800cm^3

Step-by-step explanation:

First you want to calculate the volume of the entire imaginary prism, 12×15×6

=1080,

afterwards you want to calculate the missing volume, which you can think of as a bite. First, find the sides.

12-8=4            5-15=10

Now calculate the volume of the bite, 4×10×6

=240

Now take the bite out of the sandwich, 1080-240

= 840

Follow the same steps, though this time the sides of the "bite" are given.

10×12×8

= 960

4×5×8

= 160

960-160 = 800 cm

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Which of the following sentences could not be used to represent the equation X-5 = -10? D A number subtracted from five is equal
cestrela7 [59]

Answer:

Option A is correct

Step-by-step explanation:

The equation that the first option is talking about would be 5-X=-10

5 0
3 years ago
4) Karen Waughtal invested some money at 5% annual simple interest
Natasha2012 [34]

Answer:

15000

Step-by-step explanation:

3 0
3 years ago
The cylinder shown has a lateral surface area of about 80 square inches. Which answer is closest to the height of the cylinder?
Radda [10]

Hello!

The cylinder shown has a lateral surface area of about 80 square inches. Which answer is closest to the height of the cylinder? Use 3.14 to approximate pi.

We have the following data:

Al (lateral surface area) = 80 in²

R (ratio) = 4 in

h (height) = ? (in inches)

Adopt : π ≈ 3.14

We apply the data to the formula, we have:

A_l = 2*\pi*R*h

80 = 2*3.14*4*h

80 = 25.12\:h

25.12\:h = 80

h = \dfrac{80}{25.12}

h = 3.18 \to \boxed{\boxed{h \approx 3.2\:in}}\:\:\:\:\:\:\bf\green{\checkmark}

Answer:

≈ 3.2 inches

________________________

\bf\green{I\:Hope\:this\:helps,\:greetings ...\:Dexteright02!}\:\:\ddot{\smile}

8 0
3 years ago
Read 2 more answers
Sanjay’s present age is ‘y’ years. Form an algebraic expression for:
RSB [31]

Answer:

a. y + 7

b. y - 4

c. y times 3 or 3y

d. 3y + 30

e. 6y + 8

Step-by-step explanation:

Algebraic expressions don't need to be a complete equation.

3 0
4 years ago
Find all solutions in the interval [0, 2π).
jekas [21]
First you must know that for remarkable angles: cos (0) = 1, cos (π) = - 1, cos (π / 2) = 0, cos (3π / 2) = 0, cos (2π) = 1. Then, by simple substitution in the given formula, you can find the solutions of x. Which for the interval [0, 2π) are: x = π, x = pi divided by two and x = three pi divided by two.Attached solution.

4 0
4 years ago
Read 2 more answers
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