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3 years ago

Need help with this! Explain it to plz

Mathematics

1 answer:

nikitadnepr [17]3 years ago

3 0

5^0 x 5^4 1 x 625 625
------------- = ---------- = ----- = 1 B
5^3 x 5^1 125 x 5 625

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Use substitution to determine which value of x makes the equation 12+x=14.2 true.

Elis [28]

So brianly is glitched so here is the answer

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2 years ago

Read 2 more answers

Mrs. Allan's car uses 8 gallons of gas for a 224-mile trip. Mrs. Owen's car uses 6 gallons of gas for a 210-mile trip. How many

Feliz [49]

Answer:

Mrs. Allan's Car will use 20 gallons of gas for 560 miles trip.

Mrs. Owen's Car will use 16 gallons of gas for 560 miles trip.

Step-by-step explanation:

Given:

Number of Miles for Mrs Allan car = 224 miles

Number of gallons of gas required = 8

We need to find the number of gallons of gas required for 560 miles for Mrs. Allan's car.

First we will find, in 1 gallons how many miles does Mrs Allan's Car drives.

For 8 gallons = 224 miles

So for 1 gallons = Number of miles in 1 gallon of gas

By using Unitary method we get;

Number of miles in 1 gallon of gas = $\frac{224}{8}= 28\ miles$

Now we know that;

for 28 miles = 1 gallon of gas is required.

So for 560 miles = Number of gallon of gas required in 560 miles.

Again by using Unitary method we get;

Number of gallon of gas required in 560 miles = $\frac{560}{28}= 20\ gallons$

Hence Mrs. Allan's Car will use 20 gallons of gas for 560 miles trip.

Also Given:

Number of Miles for Mrs Owen's car = 210 miles

Number of gallons of gas required = 6

We need to find the number of gallons of gas required for 560 miles for Mrs. Owen's car.

First we will find, in 1 gallons how many miles does Mrs Owen's Car drives.

For 6 gallons = 210 miles

So for 1 gallons = Number of miles in 1 gallon of gas

By using Unitary method we get;

Number of miles in 1 gallon of gas = $\frac{210}{6}= 35\ miles$

Now we know that;

for 35 miles = 1 gallon of gas is required.

So for 560 miles = Number of gallon of gas required in 560 miles.

Again by using Unitary method we get;

Number of gallon of gas required in 560 miles = $\frac{560}{35}= 16\ gallons$

Hence Mrs. Owen's Car will use 16 gallons of gas for 560 miles trip.

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3 years ago

Simplify the expression -4^2(3x - 7)

maxonik [38]

Answer:

−48x+112

Step-by-step explanation:

evatulate: −16 (3−7)

-48+112

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Jim thinks that the value of a baseball card can be modeled by a decay formula and that the value will decrease at a rate of 0.2

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Answer: $244.55

A = $250 ; r=0.002 t= 11 [From 2007 to 2018 , t=2018-2007]

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11 months ago

Factor the equation in the picture

algol [13]

Answer:

Step-by-step explanation:

-5 y^ - I5 y=0

-5 y (y +3) =0

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