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IgorLugansk [536]
2 years ago
5

Please help me with this math problem!! :) Will give brainliest!!

Mathematics
1 answer:
Gnoma [55]2 years ago
5 0

Answer:

Your answer is  x=-13/3

Step-by-step explanation:

RS and QT are equal knowing this your equation would be x=4x+13. you get -3x=13 when 4x get cancelled out, divide both side by 3 and you get -13/3

You might be interested in
Harvey plans to use 5 ft of shelving for four shelves whose lengths are to be a series of consecutive even numbers. How many inc
IgorC [24]
5 ft = 5 * 12 in = 60 inches
Four consecutive even numbers are: x,  x + 2,  x + 4,  x + 6
x + x + 2 + x + 4 + x + 6 = 60
4 x + 12 = 60
4 x = 60 - 12
4 x = 48
x = 48 : 4
x = 12
Answer:
Those shelves should be: 12,  14,  16  and 18 inches long.
Verification:  12 + 14 + 16 + 18 = 60 in = 5 ft.
7 0
4 years ago
Joe makes 8 dollars for each hour of work write an equation to represent his total pay after working h hours
Novay_Z [31]

Answer:

8xH=T

Step-by-step explanation:

You have to multiply 8 dollars but the amount of hours H to get Joe's total T.

5 0
3 years ago
Read 2 more answers
1. What is the simplest form of the radical expression? 4 fourth root of two x+ 6 fourth root of two x (1 point) 10fourth root o
iragen [17]
Your expression is:
4·⁴√(2x) + 6·⁴<span>√(2x)

As you can see, the radicals are exactly the same: same index, same radicand.

Therefore you can treat it as if it was:
4 apples + 6 apples 
which is 10 apples, 

or in your case:
10</span>·⁴√(2x)

Hence, the correct answer is option A.
4 0
4 years ago
2. Inflation is at a rate of 7% per year. Evan's favorite bread now costs $1.79. What did it cost 10 years ago? How long
Makovka662 [10]

Answer:

It cost $0.91 10 years ago.

It takes 10.24 years for the cost of bread to double.

Step-by-step explanation:

The equation for the price of bread after t years has the following format:

P(t) = P(0)(1+r)^{t}

In which P(0) is the current price, and r is the inflation rate, as a decimal.

If we want to find the price for example, 10 years ago, we find P(-10).

Inflation is at a rate of 7% per year. Evan's favorite bread now costs $1.79.

This means that r = 0.07, P(0) = 1.79. So

P(t) = P(0)(1+r)^{t}

P(t) = 1.79(1+0.07)^{t}

P(t) = 1.79(1.07)^{t}

What did it cost 10 years ago?

P(-10) = 1.79(1.07)^{-10} = 0.91

It cost $0.91 10 years ago.

How long before the cost of the bread doubles?

This is t for which P(t) = 2P(0) = 2*1.79. So

P(t) = 1.79(1.07)^{t}

2*1.79 = 1.79(1.07)^{t}

(1.07)^{t} = 2

\log{(1.07)^{t}} = \log{2}

t\log{1.07} = \log{2}

t = \frac{\log{2}}{\log{1.07}}

t = 10.24

It takes 10.24 years for the cost of bread to double.

5 0
3 years ago
Brianne's town is building a pool based on a scale drawing that is 20 centimeters by 10 centimeters and uses the scale 1 cm:250
kiruha [24]

Answer:

A=1250m^2

Step-by-step explanation:

From the question we are told that

Dimension of drawing

20 centimetres by 10 centimetres

Scale of drawing

1 cm:250 cm

Generally the the Main dimension of the pool is mathematically given as

L=length\ of\ scaled\ pool*250 cm\\B=length\ of\ scaled\ pool*250 cm\\L=20*250=5000 cm=50m\\B=10*250=2500 cm=25m

Therefore Area Aof main pool is mathematically given as

A=50m*25m=1250 m^2

A=1250m^2

4 0
3 years ago
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