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mariarad [96]
4 years ago
15

Which two-dimensional figure could be a cross section of a rectangular pyramid that has been intersected by a plane perpendicula

r to its base and through its vertex?
Mathematics
1 answer:
DanielleElmas [232]4 years ago
7 0
The choices are found elsewhere and the figures would be:
a. rectangleb. trianglec. squared. trapezoid
From the choices, the answer would be option B. A triangle figure would be the cross section when <span>a rectangular pyramid that has been intersected by a plane perpendicular to its base and through</span>its vertex.
You might be interested in
Higher Order Thinking a carpenter plans to extend the length of rectangular desk by 7 feet. Let x represent the desk's original
abruzzese [7]

Answer:

d. 9x + 63 and 63 square feet

Step-by-step explanation:

Given

Original

Length = x

Width = 9

Extended

Length = x + 7

Width = 9

Area = 9(x + 7)

Required

Determine an expression and the value of the extended area

First, we calculate the area of the original desk

A_1 = x * 9

A_1 = 9x

From the given parameters, we have:

Area = 9(x + 7) --- area of the new surface

Open bracket

Area = 9x + 63

The area of the new surface is the summation of the area of the original desk and the area of the extended portion (E)

So:

Area = A_1 + E

Make E the subject

E= Area - A_1

E= 9x + 63 - 9x

E= 63

Hence, the area of the extended portion is 63

7 0
3 years ago
Help plsssssss i'm lost il give brainiest
alex41 [277]

Answer:

A  16°

B  -8°

C  6°

D  -16°

E  -4°

Step-by-step explanation:

Look at 0° and 10°. There are 5 lines from one to the other, so each line represents 2°.

A

3 lines above 10° = 10° + 3 * 2° = 10° + 6° = 16°

B

1 lines above -10° = -10° + 2° = -8°

C

3 lines above 0° = 0° + 3 * 2° = 0° + 6° = 6°

D

2 lines above -20° = -20° + 2 * 2° = -20° + 4° = -16°

E

3 lines above -10° = -10° + 3 * 2° = -10° + 6° = -4°

6 0
4 years ago
Please help me <br> How many times larger than 3 × 104 is 15 × 108?
Ronch [10]

Answer:

3*104=312

15*108=1620

1620/312=5.19230769 OR 5.19 OR 5.1 OR 5

4 0
3 years ago
Rewrite the equation so that none of the values have a denominator and then solve the equation.
DiKsa [7]

Answer:

The answer in the explanation

Step-by-step explanation:

we have

\frac{1}{3}x-5=\frac{5}{2}x-\frac{2}{3}

Step 1

Determine the least common denominator (LCD) of all fractions in the equation

The LCD is equal to

(3)(2)=6

Step 2

Multiply both sides of the equation by 6 to remove the fractions

6[\frac{1}{3}x-5]=6[\frac{5}{2}x-\frac{2}{3}]

2x-30=15x-4

Step 3

Solve for x

Group terms

15x-2x=-30+4

Combine like terms

13x=-26

x=-2

5 0
3 years ago
Point A lies on the circle and has an x-coordinate of –3. Which value could be the y-coordinate for point A? 2.5 2.8
vodka [1.7K]

Answer:

the other point could be 2.8

Step-by-step explanation:

in circle values of both x and are almost equal in magnitude

since 2.8 is closest to 3 i magnitude

hence 2.8 will  be correct option

this point will lie in third coordinate

as  third coordinate has points

(-x,y)

and coordinates of points lie on the circle are

(-3,2.8)

8 0
3 years ago
Read 2 more answers
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