2 years ago

Which expression is equivalent to 3d + 1?

Mathematics

1 answer:

weqwewe [10]2 years ago

4 0

Answer:

3d + 1

I'm pretty sure it's the same thing.

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Which store is offering the best deal?

disa [49]

The answer to this question is 8 for $6

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3 years ago

The expression 4x gives the perimeter of a square with a side length of x units. what is the perimeter of a square with a side l

egoroff_w [7]

4(5/7) or 20/7 would be the perimiter

6 0

3 years ago

Given the function f(x)= 3(x-2)² + 5, what is f(-1)?

motikmotik

Answer:

Step-by-step explanation:

f(x)= 3(x-2)² + 5

Let x = -1

f(-1)= 3(-1-2)² + 5

Parentheses first

f(-1) = 3(-3)^2 +5

Exponents

f(-1)= 3*9 + 5

Multiply

f(-1) = 27+5

Add

f(-1) = 32

5 0

2 years ago

Read 2 more answers

Can someone step by step explain the answer to me please and thank u

True [87]

First

angle in front of c is 30°, so hypotenuse is equal to 2c

it's right triangle, so let's use Pythagorean theorem\

$(2c)^2=c^2+4^2\\4c^2=c^2+16\\3c^2=16\\\\c^2=\dfrac{16}{3} \\\\c=\dfrac{4}{\sqrt{3} } =\dfrac{4\sqrt{3} }{3 }$

Second

b - the base of the triangle, angles at the base are equal ⇒ cathets are equal

it's right triangle, so let's use Pythagorean theorem

$b^2=7^2+7^2\\b^2=49+49\\b=\sqrt{2\times49} =7\sqrt{2}$

3 0

2 years ago

The formula for the volume of a pyramid is =13ℎ

victus00 [196]

Answer:

h = V3B

Step-by-step explanation:

V = 1/3B · h

Divide volume by 1/3 B to get h by itself

V/1/3B = V3B

6 0

3 years ago