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Ivahew [28]
3 years ago
12

Need help help me please

Mathematics
2 answers:
Artist 52 [7]3 years ago
6 0
(2x-4)(x+5)
2x^2+10x-4x-20
2x^2+6x-20
which would be answer A for you
hopes that help all you need to do is foil
ankoles [38]3 years ago
5 0
Turns out its A lol my bad i miss calculated

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Could someone please explain how to plot the x-intercept of the first equation and what the answer would be?
Elis [28]

Answer:

You would start in the middle of the number line, move right to positive 4x then move up 2 units to land right in line with 2y this is where your plot would be.

Step-by-step explanation:

Hope this helps mark brainliest please!

4 0
3 years ago
The area of a sector of a circle with a central angle of radians is . Find the radius of the circle. Do not round any intermedia
Savatey [412]

Answer:

<h3>3.5ft</h3>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

Find the complete question in the diagram attached.

Area of a sector = θ/360 * πr² where;

r is the radius

θ is the angle substended by the sector

Given parameters

Area of the sector = 9ft²

central angle θ = 1.5 radians

Since  1 radians = 57.2958°

1.5 radians = (1.5 * 57.2958)

1.5 rad = 85.9437°

Substituting the given values into the formula;

Area of a sector = θ/360 * πr²

9 = 85.9437/360 * (3.14)r²

9 = 0.2387325 * 3.14r²

9 = 0.74962005r²

r² = 9/0.74962005

r² = 12.00608

r = √12.00608

r = 3.4641

r = 3.5 ft (to the nearest tenth)

Hence the radius of the circle is 3.5ft

8 0
4 years ago
1/4 of 24 on tape diagram
Lemur [1.5K]
Draw the tape diagram: a long rectangle and divide it into 4 squares in a row.The whole rectangle represents 24 (as a whole number), you're dividing it into 4 parts because you want to know what is 1/4 of it.Now, to find the value of each square: 24:4 = 6.Put the number 6 in each square, and you have found your result.1/4 of 24 is 6.

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4 years ago
If sarah is 24 years younger than her mother and if the sum of their ages is 68, how old is sarah
RideAnS [48]
Her mother is 68-24=44 years old.
6 0
3 years ago
What expression is equivalent to 2^-3/2^-5?​
mr_godi [17]
2^2 , or 4
since the exponents have the same base, we can subtract the exponent of the numerator by the exponent in the denominator.

So 2^-3 - 2^-5 = 2^(-3-(-5)) = 2^2

The new exponent is 2 because -3-(-5) is equal to 2.

6 0
3 years ago
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