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ratelena [41]
3 years ago
5

Evaluate the following: (½)(10) −(−12) −25

Mathematics
1 answer:
mr Goodwill [35]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

1/2 times 10 is 5. and a negative times a negative is a positive, so you have a positive 12, which becomes 5+12-25, which is -8

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Hadlee got 18 out of 20 questions correct on her math quiz. What percent of the questions did she get right?​
erica [24]

Answer: 90%

Step-by-step explanation: 18 out of 20 = 90%

she would get an A!

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3 years ago
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Maria bought three t-shirts at her favorite store t shirt paradise. she had a 25% of coupon and paid $45 in total.what was the o
tatiyna
Let, the original price = x
x = 45 * 125 /100
x = 45 * 1.25
x = 56.25

So, your final answer is $56.25

Hope it helped
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3 years ago
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The local public pool is a rectangle with two semicircles.
Reptile [31]

The area of the surface of the pool is 7322.64 m².

<h3>What is Area of rectangle?</h3>

The area of rectangle is product of length and its breadth.

i.e., length * breadth

Given: Length = 100 m, Width = 52 m and Diameter = 52 m

Area of rectangle,

= 100 × 52

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Now,

Area of semicircle = 1/2 × πr²

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= 1061.32 m²

Hence, area of the surface of the pool is

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8 0
2 years ago
Pls help me!! I just need help on both of the following questions, a-d on each
Ymorist [56]
I'll do a and e on the first one to show you how to do it

Then See if you can do the rest

a. 6(-3)<span><span>
</span></span>
When your multiplying or dividing with negative numbers; If one of your numbers is negative like the one above, your answer will be negative

So 6 × 3 = 18 ; but since there is a negative on the 3 your answer will be -18

e. -20 ÷ 5

same for this; 20 ÷ 5 = 4, but since the 20 is negative the answer will be <span>-4

You do b, c, d, and f on the first question. Tell me what you get and we'll go from there

</span>Now for the second question <span>

</span>I will do a and d to show you how to do this then you do the rest<span> (I'm inserting a picture with these)

</span>a. 4(-2 \frac{1}{3}) + 7 \frac{1}{6}
First go ahead and turn the fractions into improper fractions, this makes them a bit easier to work with. When multiplying fractions; they do not need a common denominator, all you do is multiply top by top and bottom by bottom.<span>
However, when you add and subtract fractions you MUST have a common denominator

</span>d. (-4.25)(2) + (-4.25)(-2)
remember from the first problem a negative times a positive gives you a negative<span>

but when you times a negative by a negative you get a positive


Now you try b and c; let me know what you get, and we'll go from there!

</span>

7 0
3 years ago
Suppose that the function​
Dafna11 [192]

Answer:

<em>(</em><em>f-g</em><em>)</em><em>(</em><em>x</em><em>)</em><em>=</em><em> </em><em>-3x</em><em>^</em><em>3</em><em> </em><em>+</em><em> </em><em>x</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>6x</em>

<em>(</em><em>f</em><em>+</em><em>g</em><em>)</em><em>(</em><em>×</em><em>)</em><em>=</em><em> </em><em>3x</em><em>^</em><em>3</em><em> </em><em>+</em><em> </em><em>x</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>6x</em>

<em>(</em><em>f</em><em>•</em><em>g</em><em>)</em><em>(</em><em>2</em><em>)</em><em>=</em><em> </em><em>6x</em><em>^</em><em>3</em><em> </em><em>+</em><em> </em><em>36x</em><em>^</em><em>3</em>

Step-by-step explanation:

I hope that helps

5 0
3 years ago
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