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QveST [7]
3 years ago
15

Will give 20 points and give brainliest if all answers is correct and understandable.

Mathematics
2 answers:
Tems11 [23]3 years ago
7 0

Answer:

1. 416

2.533

3. 800

4. 3732 work: 933 x 4

5. 4 cans work: 3732/933=4

Step-by-step explanation:

For questions 1-3 I found the area of the letters, and then added them together. Glad I could help! Please can I have brainlist?

marishachu [46]3 years ago
6 0

Step-by-step explanation:

1. 26×16=208  (208²) = 416 in

2. 25×13=325  (325)² = 650 in

3. 16×25= 400 ( 400)² = 800 in

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Train completes journey of 150 miles one hour earlier if original speed is increased by 5mes/hour What is original speed
bija089 [108]
25mph.

using the equation distance = speed x time, you can make 2 equations. let x be the original speed of the train, and t be the original time it takes. the first equation is the original trip, the 2nd is your new speed and shortened time.
150=xt \\ 150=(x+5)(t-1)
this is because you are adding 5mph, and taking off 1 hour of time, to still cover the 150 miles. you can solve the first equation for t, and substitute into the second, and then solve for x.
t= \frac{150}{x}  \\ 150=(x+5)(t-1)=xt+5t-x-5 \\ 150=150+5( \frac{150}{x})-x-5 \\ 5= \frac{750}{x} -x \\ 5+x= \frac{750}{x}   \\ x^2+5x=750 \\ x^2+5x-750=0
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What is the Pythagoras <br> Theorem?
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this is the definition of it:

In mathematics, the Pythagorean theorem, also known as Pythagoras' theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.

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If y = 3x – 4 and the domain is { -3, -1, 4}, find the range. When the domain is -3, the range is ______. Show your work to find
Dafna1 [17]
<h2>Hello!</h2>

The answer is:

When the domain is -3, the range is -13.

<h2>Why?</h2>

To solve the problem, we need to remember that the domain is also known as the input of the function, and the range of the function is also known as the output of the function.

We are given the inputs and we are asked to calculate the output of the function at -3, so, evaluating -3 into the function, we have:

y=3x-4\\f(x)=3x-4\\f(-3)=3*(-3)-4=-9-4=-13\\

Hence, we have that when the domain is -3, the range is -13.

Have a nice day!

8 0
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