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ehidna [41]
3 years ago
9

Will give brainliest.

Mathematics
1 answer:
Alborosie3 years ago
3 0
1. Similar
2. Similar
3. Not similar

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Solve x^2+5x-2=0 Enter your answers,as exact values, in the boxes.
Fed [463]

Answer:

                 √33

x = -5/2 ± ---------

                     2

Step-by-step explanation:

Through completing the square, we get:

x^2 + 5x + (5/2)^2 - (5/2)^2 - 2 = 0, or

(x + 5/2)^2 - 25/4 - 2 = 0.

This simplifies to

(x + 5/2)^2 = 33/4

Taking the square root of both sides yields:

x + 5/2 = ±√(33/4), which can be solved explicityl for x:

                 √33

x = -5/2 ± ---------

                     2

5 0
4 years ago
Work out <br> 8(m + 1) = 32<br> m=?
Nat2105 [25]

Answer:

<h2>m = 3</h2>

Step-by-step explanation:

8m + 8 = 32

<em>Subtract 8</em>

8m = 24

<em>Divide by 8</em>

m = 3

3 0
4 years ago
Read 2 more answers
The students in Naomi's class sold calendars for a fund-raiser this year and last year. This year, the selling price of each cal
jolli1 [7]
We'll use the variable x to represent last year's price. First, we have to set up an equation:
.06x+x=13.25
We get this equation because $13.25 is 6% MORE than last year's price, meaning we need to add the original price to the increase. Next, we combine like terms and solve for x:
.06x+x=13.25 \\ 1.06x=13.25 \\  \frac{1.06x}{1.06} = \frac{13.25}{1.06} \\ x= 12.50

Last year's price was $12.50. 

Hope this helps!
3 0
4 years ago
Help, please!! Simplify the equation:
BaLLatris [955]

Answer:

-6 + 12x

Explanation:

Good luck. Have a great day.

5 0
2 years ago
Read 2 more answers
A diagram of a deodorant container is shown It is made up of a cylinder and half of a sphere. (Radius = 1.6) (Height=6.2) a.) wh
viva [34]
A) 8.58 units
B)36.984 units
C)45.564 units
6 0
4 years ago
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