7th Grade Math
How do you write nineteen and eighty-two hundredths?
19.82
What is the length of base of a right triangle if height is 3 and hypotenuse is 5?
4
X-15=52
67
Formula for Volume of a pyramid
V=1/3 Bh
This is the distance from the center of a circle to any point on the circle.
Radius
What is 6/100 in decimal form?
0.06
A triangle has a base of 10 units and a height of 13.4 units. What is the area of the triangle?
67
Solve the 2-step equation:
2x + 5 = 21
x = 8
10 x 3.67
36.7
Ratio for scale factor is old to New- True or False?
False
For triangular prism, how do you solve for B (area of the base) ?
1/2 bh (area of base)
4,356 + 2,489 = ?
6845
2.5 + 2.75
5.25
What is the simplest form of 8/24?
1/3
How many right angles are in a square?
4
What's the formula for volume of sphere?
4/3 pi r^3
Which equation is non-proportional?
A. Y= 5X
B. Y= 3X +2
C. Y=X
B
3.75 − 1.2 = ?
2.55
What is the area of a square with side length 5?
25
find y-intercept:
(4, -3) and (6, -1)
-7
write equation:
A teacher bought markers at a cost of $3 per set. The teacher had a $2-off coupon to use toward the total cost of the markers bought.
Y= 3x-2
A business has 324 cases of soda. There are 48 cans in each case. How many cans of soda does the business have?
15552 cans
A circle has a radius of 9 cm. What is the area? (Use π=3.14π=3.14)
254.34
The area of the base of a triangular pyramid is 60 square inches. The height of the pyramid is 13 inches.
What is the volume of the triangular pyramid in cubic inches?
260
A box is in the shape of a square prism. The height of the box is 8 inches, and the area of the square base is 16 square inches. what is the total surface area?
160
What is the total surface area of a cylinder when diameter is 6 and height is 10?
244.92
A linear relationship includes the ordered pairs
(1,2) and (5,7)
Write an equation in slope-intercept form that can be used to model the relationship.
Y= 1.25x+ 0.75
A cylinder has a height of 5 feet and a diameter of 2 feet. Which measurement is closest to the volume of the cylinder in cubic feet?
15.7
A coach is ordering shirts for a team.
• The coach pays a one-time fee of $24.
• The coach also pays $8 for each shirt ordered.
Which function can be used to find c , the total amount the coach pays in dollars when k shirts are ordered? (equation)
C=8k + 24
one side length of a cube is 5 cm. What is the total surface area of the cube?
150