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anyanavicka [17]

3 years ago

11

One meteorite weighs 1.8 pounds. A second meteorite weighs 2.35 times as much as the first meteorite weighs. How much does the s

econd meteorite weigh? 4.23 pounds 3.95 pounds 3.88 pounds 4.15 pounds

1 answer:

Grace [21]3 years ago

8 0

The answer is 4.23 the second meteorite wieghts 4.23 pounds

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If 50% is 30 what is 75%

Gemiola [76]

Answer:

$50\% = 30 \\ 70\% = x \\ \\ 50\%x = 30 \times 70\% \\ x = \frac{30 \times 70\%}{50\%} \\ x = 42 \\ hence \: 70\% \: is \: 42$

6 0

2 years ago

a 9ft ladder is placed 4.5 feet from the base of a wall. How high up will the ladder reach? Round to the nearest hundredth.

spin [16.1K]

Answer:

$\huge\boxed{7.79 \ \text{feet}}$

Step-by-step explanation:

We know that we have a 9 foot long ladder resting upon a wall, with an unknown height, but the ladder is 4.5 feet away from the wall.

This can be represented as a triangle, where x is the unknown side.

|\

| \

x | \ 9

| \

| \

|_____\

4.5

We can use The Pythagorean Theorem to find the value of x. The theorem states that $a^2+b^2=c^2$ , where a and b are the lengths of the legs and c is the length of the hypotenuse.

However, we already know the hypotenuse and one leg. Therefore we can substitute inside the equation to find the missing value.

$a^2 + 4.5^2 = 9^2\\\\a^2 + 20.25 = 81\\\\a^2 = 60.75\\\\a \approx 7.79$

Hope this helped!

7 0

2 years ago

One way to increase acceleration is by

Hunter-Best [27]

Answer:

I believe its D , to increase the acceleration of a object you have to increase the force preferably ,the mass kind of slows it down because of the weight .

But d is the most legit answer so :p

hoped I helped -

Sleepy~

5 0

2 years ago

Model how to factor the polynomial 2x^3-8x^2+3x-12

san4es73 [151]

$2x^3-8x^2+3x-12=2x^2(x -4)+3(x -4)=(x -4)(2x^2+3)$

6 0

2 years ago

56,927.34 in expanded form

DanielleElmas [232]

Answer:

Step-by-step explanation:

Standard Form:

56,927.34

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

50,000

+6,000

+900

+20

+7

+0.3

+0.04

Expanded Factors Form:

5 ×10,000

+ 6 ×1,000

+ 9 ×100

+ 2 × 0

+ 7 ×1

+ 3 ×0.1

+ 4 ×0.01

Expanded Exponential Form:

5 × 104

+ 6 × 103

+ 9 × 102

+ 2 × 101

+ 7 × 100

+ 3 × 10-1

+ 4 × 10-2

5 0

2 years ago

Read 2 more answers