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Debora [2.8K]
3 years ago
13

Please help 10 points to the one who answers correctly and tells me how to solve it.

Mathematics
1 answer:
Goshia [24]3 years ago
4 0
Y = 76    x = 16 Sorry if I am wrong

Hope it helped
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I NEED HELP ASAP solve the systems of equations using elimination
Svetach [21]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>(-2, 1)</em>

▹ Step-by-Step Explanation

4x + 3y = -5

-2x + 2y = 6

4x + 3y = -5

x = -3 + y

4(-3 + y) + 3y = -5

y = 1

x = -3 + 1

x = -2

(x, y) = (-2, 1)

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

6 0
4 years ago
Read 2 more answers
Given triangle DEF similar to triangle GHF. Enter segments in the blanks provided that would result in a true equation.
Paul [167]

Given:

The triangles DEF is similar to GHF.

The objective is to find a similar ratio of DF/DE.

Explanation:

Using the basic proportionality theorem, for the similar triangles DEF and GHF,

\frac{DE}{GH}=\frac{DF}{GF}=\frac{EF}{HF}\text{ . . . .   ..  .(1)}

Considering the first two ratios of equation (1),

\frac{DE}{GH}=\frac{DF}{GF}

On interchanging the segments further,

\frac{DF}{DE}=\frac{GF}{GH}

Hence, the required segment in the blanks is GF/GH.

4 0
2 years ago
Which fractions are equivalent to 40%? Check all that apply.
Tanya [424]

Answer:

8/20, 4/10, and 16/40

Step-by-step explanation:

40% is basically 40/100.

40/100=4/10=8/20=16/40

hope this helps!! :))

7 0
3 years ago
Read 2 more answers
If you invest $1250 in an account that earns 6% compounded quarterly, the amount you will have in the account, S(x), after x yea
kirza4 [7]

well, we know what S(x) is, since it's given, so, after , is simply a matter of x = 2,4,6,8,10, so

\begin{array}{llrll} S(2)=1250(1.015)^{4(2)}&\implies &S(2)\approx 1408.12\\ S(4)=1250(1.015)^{4(4)}&\implies &S(4)\approx 1586.23\\ S(6)=1250(1.015)^{4(6)}&\implies &S(6)\approx 1786.88\\ S(8)=1250(1.015)^{4(8)}&\implies &S(8)\approx 2012.91\\ S(10)=1250(1.015)^{4(10)}&\implies &S(10)\approx 2267.52 \end{array}

well, the tell-tale for Growth or Decay is the parenthesized term, namely the "rate of change", if it's greater than 1 is Growth, if it's less than 1 is Decay, in this case is greater than 1, is 1.015, so well, you know.

from 4 years to 10 years, how much more in interest?

well, first off let's take off the Principal of 1250 to see how much is in interest, hmmm for 4 years that'll be <u>336.23</u> and for 10 years that'll be <u>1017.52</u>, so their difference is about 681.29.

what does the S-intercept mean?  Check the picture below.

when the graph touches the y-axis or S-axis if you wish, the time is 0 and the amount is, well, you can see it there.

3 0
2 years ago
For each of the following equations,give the centre and radius of the circle.
allsm [11]

Answer:

a) Center is (0,0) and radius r = 5

b) Center is (0,0) and radius r = 1

d) Center is (5,3) and radius r = 9

e Center is (-2,1) and radius r = 3

g) Center is (-1,-3) and radius r = 7

h) Center is (0,0) and radius r = 2.5

Step-by-step explanation:

<u><em>a)</em></u>

Given circle  x² + y² = 25

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

Center is (0,0) and radius r = 5

b)

Given circle  x² + y² = 1

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

Center is (0,0) and radius r = 1

d)

Given circle  (x-5)² + (y-3)² = 81

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

                   (x-5)² + (y-3)² = 9²

Center is (5,3) and radius r = 9

e)

Given circle  (x+2)² + (y+1)² = 9

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

                  (x+2)² + (y+1)² = 3²

Center is (-2,-1) and radius r = 3

g)

Given circle  (x+1)² + (y+3)² = 49

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

                  (x+1)² + (y+3)² = 7²

Center is (-1,-3) and radius r = 7

h)

Given circle  x² + y² = 6.25

The standard form of circle equation is

                   ( x-h)² +(y-0)² = r²

   Given circle  x² + y² = (2.5)²

Center is (0,0) and radius r = 2.5

5 0
3 years ago
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