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Marysya12 [62]
3 years ago
13

Can someone help me with this and show me the steps if you don't mind

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer:

(x+8)(x+5)

Step-by-step explanation:

Since we know x2 is equivalent to x times x we can automatically start by filling in the first two spaces with x. Then since we know that we're going to need two numbers that equal forty since it's part of the equation we can get two number that will also add up to 13x which is 8 and 5. We then get (x+8)(x+5). (Sorry lol this question is kind hard to explain over the computer.)

earnstyle [38]3 years ago
8 0

Answer:

it's A

Step-by-step explanation:

5x8=40 and 5+8=13

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Evaluate each expression when a= - 4 and b= 3 ab
Andrews [41]

Answer:

-12

Step-by-step explanation:

<u>Step 1:  Substitute</u>

ab -> -4 for a and 3 for b

(-4) * (3)

<em>-12</em>

Answer:  -12

6 0
3 years ago
Can someone please help me with this question?
ryzh [129]

Answer: (3,2)

Step-by-step explanation:

4 0
3 years ago
Which relation represents a function? StartSet (0, 0), (2, 3), (2, 5), (6, 6) EndSet StartSet (3, 5), (8, 4), (10, 11), (10, 6)
postnew [5]

Answer:

<h2>Third set.</h2>

(-2, 2), (0, 2), (7, 2), (11, 2)

Step-by-step explanation:

A function is defined as a relation where each x-value (domain), has only one y-vale assigned (range). If one x-value has more than one image in the range, therefore, that's not a function. So, let's see which relation represents a function.

First: (0, 0), (2, 3), (2, 5), (6, 6).

As you can see, this set doesn't represent a function, because for x=2 there are two images assigned y=3 and y=5.

Second: (3, 5), (8, 4), (10, 11), (10, 6).

Similarly, this relation is not a function, because x=10 has to images, y=11 and y=6.

Third: (-2, 2), (0, 2), (7, 2), (11, 2)

As you can see, this is a function, because each pair has different value in the domain. Notice that there's the same image for each x-value, that still fulfil the definition of a function, because one element in the image can have multiple elements in the domain, what cannot happen is the opposite case.

Fourth: (13, 2), (13, 3), (13, 4), (13, 5).

This relation is not a function, because the same x-value has multiple images.

Therefore, the right answer is the third set.

8 0
3 years ago
Read 2 more answers
What is the value of the expression when a = -1.4 and b = -2.7? <br> |a| + b
Julli [10]
"a" is an absolute value, so that means that after whatever is in the brackets is solved as far as it can be, it becomes a positive value, no matter what it is. So, |-1.4| is equal to 1.4. The equation is 1.4+ (-2.7) or 1.4 - 2.7 which equals -1.3
5 0
3 years ago
What is the area of the SHADED sector of the circle?
Taya2010 [7]

<u>Given</u>:

Given that the radius of the circle is 9 units.

The measure of the angle JHG is 160°

We need to determine the area of the shaded sector of the circle.

<u>Area of the circle:</u>

The area of the circle can be determined using the formula,

A=(\frac{\theta}{360}) \pi r^2

where r is the radius

Substituting r = 9 and \theta=160, we get;

A=(\frac{160}{360}) \pi (9)^2

Simplifying, we get;

A=(\frac{160}{360}) \pi (81)

A=36 \pi

Thus, the area of the shaded sector of the circle is 36π units²

Hence, Option a is the correct answer.

6 0
3 years ago
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