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hram777 [196]
3 years ago
8

Please help with similarity

Mathematics
1 answer:
ladessa [460]3 years ago
3 0

Answer:A

Step-by-step explanation:I think

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Given b(x)=|x+4|, what is b(-10)? A.-10<br> b. -6<br> c. 6<br> d. 14
RideAnS [48]
The equation that they have given is an absolute function meaning any outcome in this function will be POSITIVE no matter what.
For example
B(-6) = l-6 + 4l
B(-6) = l-2l or B(-6) = 2 

YOUR ANSWER

B(-10) = l -10 + 4l
B(-10) = l-6l or B (-10) = 6

so therefore your answer is C. 6
5 0
3 years ago
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Find x. <br> 30 <br> 20 <br> Need help with this question asap
Molodets [167]
Cos=adjacent/hypotenuse
Cos30=x/20
x=cos30 *20

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Find the island height of a pyramid with a volume of 432 ft^3 if the base is a square with a side length of 12 ft. Round to the
dmitriy555 [2]

So the picture below shows what the slant height is. It also shows that the pyramid can form a right triangle, in which we can use the pythagorean theorem, which is leg^2+leg^2=hypotenuse^2 .

But first, we have to find the height of this pyramid. The volume formula for a square pyramid is A=\frac{lwh}{3} . Since we know its a square pyramid, the length and width are going to be the same (12 ft), and we know that the volume is 432 ft^3. Using this info, we can solve for the height:

432=\frac{12*12*h}{3}\\ 1296=12*12*h\\ 1296=144*h\\ 9=h

So now we can use the pythagorean theorem (remember to split the 12 by 2, since the right triangle has only half the length of the base). Our equation will be solved as such:

6^2+9^2=s^2\\ 36+81=s^2\\ 117=s^2\\ 10.8=s

In short, the slant height is 10.8 ft.

3 0
3 years ago
Write a decimal to show how much of the grids are shaded.<br><br><br><br>plz help me​
NikAS [45]

Answer:

1a. 1.5

1b. 0.38

Step-by-step explanation:

a.

one full grid is full (1) and half a grid is full (0.5)

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there are 100 squares and 38 of them are filled in,so you divide 38 by 100 which is 0.38

4 0
2 years ago
Find the length of side x in simplest radical form with rational denominator. the short leg is root 2 and the long leg is x we d
kirill115 [55]

Answer:

√2 + x

Step-by-step explanation:

To obtain the hypotenus, h:

Using Pythagoras rule :

h² = opposite² + Adjacent²

Opposite = √2

Adjacent= x

h² = (√2)² + x²

Take the square root of both sides

h = √2 + x

Hence, the hypotenus is √2 + x

5 0
3 years ago
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