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2 years ago

5(4 – x)= -5x + 20 How many solutions do this equation has?

Mathematics

1 answer:

Artyom0805 [142]2 years ago

4 0

It has 2 solutions i believe

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Find the y-intercept from the line passing through (1, 3) and having slope m=2.

Troyanec [42]

Answer:

The y intercept is 1

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

y = 2x+b

Substitute the point into the equation and solve for y

3 = 2(1)+b

3 =2+b

1 = b

The y intercept is 1

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2 years ago

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In indirect variation if y = 5 and x = 10, what is the value of k (the constant)?

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3 years ago

F(2)=-7 f(x) = f(x-1) + 1

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2 years ago

A square pyramid. The square base has side lengths of 6 inches. The 4 triangular sides have a base of 6 inches and height of 9 i

Marrrta [24]

Answer:

The area of the pyramid’s base is 36 in².

The pyramid has 4 lateral faces.

The surface area of each lateral face is 27 in².

Step-by-step explanation:

"Lateral" means side, so the lateral faces are triangles.

The base is the bottom, which is a square.

To calculate the area of the base, use the formula for area of a square.

$A_{base} = s^{2}$

$A_{base} = (6 in)^{2}$

$A_{base} = 36 in^{2}$

To calculate the area of a lateral face, find the area of a triangle.

$A_{lateral} = \frac{bh}{2}$

$A_{lateral} = \frac{(6 in)(9 in)}{2}$

$A_{lateral} = \frac{54 in^{2}}{2}$

$A_{lateral} = 27 in^{2}$

In a pyramid, the number of lateral faces is the same as the number of sides in the base. The square base as 4 sides, so there are 4 lateral faces.

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3 years ago

Which expression is equivalent to 2^4 ⋅ 2^−7?

skad [1K]

2^4 x 2^-7 = 0.125

2^3 = 8, 1 /8 = 0.125

answer is B

3 0

2 years ago