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daser333 [38]
3 years ago
15

A*4=e b\4=e c+4=e d-4=e A+b+c+d=100

Mathematics
1 answer:
ratelena [41]3 years ago
4 0
I believed you are looking for the value of e. The value of e is 16 below is the solution:

A×4 = E, so A=E/4
B/4 = E, so B=4E
C+4 = E, so C=E=4
D-4 = E, so D=E+4
and
A+B+C+D=100.

Substitute values of A, B, C and D in the equation, we get,
(E/4) + 4E + E-4 + E+4 = 100
(E/4) + 4E + 2E = 100
(E/4) + 6E = 100
(E+24E)/4 = 100
E+24E = 100×4
25E = 400
E = 400/25
<span>E = 16</span>
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Solve using system of equations by using elimination method for -5x+4y=2 ; 9x-4y=6
jek_recluse [69]

Answer:

y = 3

x = 2

Step-by-step explanation:

-5x + 4y = 2

9x - 4y = 6

Sum both eq.

-5x + 9x = 4x

+4y - 4y = 0

2 + 6 = 8

then:

4x + 0 = 8

4x = 8

x = 8/4

x = 2

from the first eq.

-5x + 4y = 2

-5*2 + 4y = 2

-10 + 4y = 2

4y = 2 + 10

4y = 12

y = 12/4

y = 3

Check:

from the second eq.

9x - 4y = 6

9*2 - 4*3 = 6

18 - 12 = 6

6 0
2 years ago
Question 3 (Multiple Choice Worth 1 points)
Evgen [1.6K]

Answer:

g(x) = x + 6

Step-by-step explanation:

The parent function is given as:

f(x) = x + 8

We want to find a new function that results after shifting f(x), 2 units to the right.

Let that function be g(x), then

g(x) = f(x - 2)

We replace x by x-2 in f(x) to get:

g(x) = x - 2 + 8

When we simplify, we obtain:

g(x) = x + 6

8 0
3 years ago
Anyone know this answer?
damaskus [11]
La of sine:

sinC/c = sinB/b==> sin  37°/8 = sin B/12 ==> sin B = 0.903


arcsinB or sin⁻¹ B = 64.5°, & sin (B°) = sin (180° - B°), then

sin(64.5) = sin(180°-64.5°) ==> B = 64.5° or 115.5°
6 0
3 years ago
6÷1/5 =<br> A. 1 1/5 <br> B. 1/5<br> C. 5/36<br> D. 30
trasher [3.6K]

Answer:

<em>D. 30</em>

Step-by-step explanation:

6  ÷  1/5 <em>-given expression</em>

6  x  5   <em>-use the </em><em>keep, change, flip </em><em>method, where you</em><em> keep</em><em> the </em><u><em>first </em></u><em>number, </em><em>change</em><em> the </em><u><em>division sign</em></u><em> to a </em><u><em>multiplication sign</em></u><em>, and </em><em>flip</em><em> the f</em><u><em>raction</em></u><em> that comes after the symbol.</em>

<em>6 x 5 = 30</em>

<em>30 is the answer</em>

3 0
3 years ago
Please help I don't understand what to do
harina [27]

Answer:

This is an a fake answer but I want to supposed to be multiple pictures?? Because you said add an explanation for each picture and is this history? Are you sure it’s math

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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