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maks197457 [2]
3 years ago
11

Someone help ASAP! Weill give brainliest. (Not a quiz or test or anything)

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

17.8

Step-by-step explanation:

First:

put the equation together

(2x+3) * (x+2)=91

Secondly:

condense

parenthisis can be dropped and normal problem solving can be used.

5x+2=91

subtract 2 from either side of the =

this will give you 5x=89

next divide 5 from each side because it is multiplying the x

x=17.8

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HELP!<br><br> Simplify. Give your answer in radical form.
velikii [3]

Answer:

  10i\sqrt{5}

Step-by-step explanation:

2\sqrt{-125}=2\sqrt{(-1)(5^2)(5)}=2i\cdot 5\sqrt{5}=10i\sqrt{5}

5 0
3 years ago
in all, how many counting numbers from 200 to 500 are divisible by all of the following 2, 3, 4,5 and 6?
Arte-miy333 [17]

Answer:

I think its  6 numbers  . See below

Step-by-step explanation:

The numbers must end in 0 because they must be divisible by 2 and 5

240 is one number it is the first number between 200 and 500 which is divisible by the 5 numbers.

The LCM of the 5 numbers is  60 so we can add  300, 360, 420 and 480 to the list.

5 0
3 years ago
A circle has an arc whose measure is 80° and whose length is 88. What is the diameter of the circle?
drek231 [11]

369
Step-by-step explanation:
Arc length=(π*diameter)*(angle/360°)
88π=π*diameter*80°/360°
diameter=369
3 0
3 years ago
Read 2 more answers
Angle A and Angle B are complementary angles. If angle B is five degrees more than four times angle A, find the measure of each
kupik [55]

<u>Answer</u>:

Angle A = 17°, Angle B = 73°

<u>Step-by-step explanation:</u>

Angle A & Angle B are complementary angles (given) so they will form 90°.

Let's take,

Angle A = x

Angle B = 4x +5 (angle B is five degrees more than four times angle A)

Measure of each angle=?

Angle A + Angle B = 90°

x + 4x + 5 = 90

5x + 5 = 90

5x = 90 - 5

5x = 85

x = 85 ÷ 5

x = <u>1</u><u>7</u><u>°</u>

Angle A = x = <u>1</u><u>7</u><u>°</u>

Angle B = 4x + 5 = 4(17) + 5 = 68 + 5 = <u>7</u><u>3</u><u>°</u>

•°•°•°•°•°•°•°•°•°•°•°•°•°•°•°•°•°•°•

7 0
3 years ago
Which of the following are characteristics of the graph of the square root
alekssr [168]

Choices A and B have typos in them, so its not clear what you're trying to say for those parts. However, the domain of y = \sqrt{x} is x \ge 0 meaning that x can be 0 or larger. In other words, we can't have x be negative. Similarly, y is the same story because y = \sqrt{x} has the inverse y = x^2, but only when x \ge 0, so therefore y \ge 0 as well. In short you can say both x and y are nonnegative.

To summarize so far, the domain is x \ge 0 and the range is y \ge 0

Since x = 0 and y = 0 are the smallest x and y values possible, this means (x,y) = (0,0) is the left-most point or where the graph starts. This is the origin. Choice C is a true statement.

Choice D on the other hand is <u>not</u> a true statement. Graph out y = \sqrt{x} and you'll see that a straight line does not form, but instead a nonlinear curve that grows forever. That growth gradually diminishes as x gets larger. Algebraically you can pick three points from the function and show that the slopes are different. Say the three points are P, Q and R. If you can show that slope of PQ does not equal slope of QR, then the function is not linear.

5 0
3 years ago
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