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aleksklad [387]
3 years ago
10

Which ratios are equivalent to 7:15 21:45 14:45 3:5 63:135

Mathematics
1 answer:
VikaD [51]3 years ago
3 0
The ratios that are equivalent to 7:15 are
21:45, and 63:135
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In the digram GH bisects FGI what is the answer for C.
zhannawk [14.2K]

The line GH bisects The triangle FGI meaning it divides it into two equal parts <em>(that is the definition if bisection); </em>therefore, the angles FGH and HGI are equal:

3x-2=4x-13

Now let us add 2 to both sides gives

3x=4x-11

subtracting 4x from both sides gives

-x=-11x=11.

Hence, x = 11.

The measure of FGH is

3x-2=3(11)-2=31

(B)

The measure of HGI is

4x-13=4(11)-13=31

(C)

The measure of FGI is the sum of HGI and FGH:

\begin{gathered} \text{FGI}=\text{HGI}+\text{FGH}=31+31 \\ FGI=62^o \end{gathered}

<em />

7 0
1 year ago
Which expression gives the distance between the points
Licemer1 [7]

Answer:

C. sqrt((-3-6)² + (4+2)²)

Step-by-step explanation:

as we are using Pythagoras and asking for the distance as a side length (actually the Hypotenuse, the side opposite of the 90 degree angle) in a right-angled triangle, only an expression of a square root of a sum of squares can be right.

so, A and B are automatically out without even further analysis.

for the distance between 2 points on a coordination grid we build the mentioned right-angled triangle with the difference in x-direction as one side (e.g. "a"), the difference in y-direction as a second side (e.g. "b").

and the direct distance is then the Hypotenuse "c".

you remember Pythagoras :

c² = a² + b²

and therefore

c = sqrt(a² + b²)

in our example "a" is the difference between the 2 x-values.

a = (-3 - 6)

and "b" is the difference between the 2 y-values.

b = (4 - -2) = (4 + 2)

since we have to square them for the formula, the direction of what is subtracted from what is irrelevant, as the square of a negative value is also positive.

c = sqrt((-3 - 6)² + (4 + 2)²)

and that is answer option C

7 0
3 years ago
Which is the graph of f(x) = 0.5(4)*?<br> y<br> 80<br> 64<br> 48<br> 32<br> 16
MrRa [10]

Answer:

Linear graph

Step-by-step explanation:

Automatically grap

hhwwhjshdjdj

jsjwjwjwjwjw

8 0
3 years ago
Which is the closest synonym for the word endeavor
tatyana61 [14]

Answer:

B. Endurance

Step-by-step explanation:

endurance is resistance which is similar to the word endeavor.

ps. I LOVE UR LUNA LOVEGOOD PROFILE PICTURE

5 0
3 years ago
The value of ( sqrt 5 + sqrt 2 )( sqrt 5 - sqrt 2 )is: (a) 10 (b) 7 (c) 3 (d) sqrt(3
larisa86 [58]

Answer:

C) 3

Step-by-step explanation:

This is just a differences of squares:

(a+b)(a-b)=(a^2-b^2)\\\\(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})=(\sqrt{5}^2-\sqrt{2}^2)=5-2=3

4 0
2 years ago
Read 2 more answers
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