3 years ago

Slicing solids question (7th grade)

Mathematics

1 answer:

Gekata [30.6K]3 years ago

7 0

B. If you cut a rectangular pyramid in half then cross-section will look like a triangle.

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Find the y intercept. I already found the slope is 9.

jeka57 [31]

The slope-intercept form: y = mx + b

We have the slope m = 9, therefore: y = 9x + b.

Next. We have the table:

x | -5 | -2 | 1 | 3 | 4 |

y |-46|-19| 8 |26|35|

(1, 8) → x = 1, y = 8

substitute the values of x and y to the equation:

8 = 9(1) + b

8 = 9 + b |-9

b = -1

Answer: y = 9x - 1 → y-intercept is -1.

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3 years ago

41 lb =<br>oz<br>B 656<br>C 2<br>D 820

11111nata11111 [884]

Answer:

B 656oz

Step-by-step explanation:

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3 years ago

Kazeer [188]

Answer:

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 4, 29) and (x₂, y₂ ) = (0, 28) ← 2 ordered pairs from the table

m = $\frac{28-29}{0+4}$ = - $\frac{1}{4}$

The line crosses the y- axis at (0, 28 ) ⇒ c = 28

y = - $\frac{1}{4}$ x + 28 ← equation of line → D

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4 years ago

Lamar, age 43, wants to pay no more than $1,000 a year in life insurance. If the annual life insurance premium rate (per $1000 o

Gwar [14]

The answer is d. 79,000.

hope i've helped!

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4 years ago

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To produce x units of a religious medal costs Upper C (x )equals 13 x plus 120. The revenue is Upper R (x )equals 33 x. Both cos

svet-max [94.6K]

Answer:

Step-by-step explanation:

the answer is 458 because thats the right answer

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4 years ago