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Tomtit [17]
3 years ago
10

Help me with this math problem i don’t understand it

Mathematics
1 answer:
pav-90 [236]3 years ago
4 0

Answer:

13meters

Step-by-step explanation:

c^2=a^2+b^2

12^2+5^2=169

find squareroot of 169 which is 13meters

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What is a ratio? thanks
Step2247 [10]
It’s an expression that compares two or more numbers. Ex; 3:10.
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3 years ago
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12(x+10)=24,so what is x?
mezya [45]

Answer:

8

Step-by-step explanation:

12x+120=24// 12x=96//x=8

hope this helps

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3 years ago
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Which expression is equivalent to 18 1/5 - (-22 2/5) - (-40 1/5)
pogonyaev

Answer:

option D

Step-by-step explanation:

18 \frac{1}{5} -(-22\frac{2}{5}) -(-40\frac{1}{5})

To get equivalent expression we need to remove the parenthesis

multiply negative sign inside the parenthesis

when we multiply negative and negative it becomes positive.

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4 0
3 years ago
Plot the axis of symmetry and the vertex for this function: h(x) = (x − 5)2 − 7.
jeka94

Answer:

The vertex and the axis of symmetry in the attached figure

Step-by-step explanation:

we know that

The equation of a vertical parabola written in vertex form is equal to

f(x)=a(x-h)^2+k

where

a is the leading coefficient

(h,k) is the vertex of the parabola

and the equation of the axis of symmetry is equal to the x-coordinate of the vertex

x=h

In this problem

we have

h(x)=(x-5)^2-7

This is a vertical parabola written in vertex form open upward

The vertex is a minimum

where

the vertex is the point (5,-7)

the x-coordinate of the vertex is 5

so

the equation of the axis of symmetry is equal to

x=5

The graph in the attached figure

7 0
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Answer:

Step-by-step explanation:

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So, we can make 21 percent to 0.21

And so we have to multiply 92,000 by 0.21, which is $19320

8 0
3 years ago
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