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yawa3891 [41]
3 years ago
13

A system of linear equations is shown below where

Mathematics
1 answer:
Brums [2.3K]3 years ago
8 0

Answer:

543

Step-by-step explanation:

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If h + 12 =22, then h= 10. name the property
pshichka [43]

Answer:

substitution

Step-by-step explanation:

5 0
3 years ago
25 Points! Show ALL Work! Image Attached.
SVEN [57.7K]

Answer:

a) x = 13

b) x = 7

Step-by-step explanation:

A) Since they have the same base of 2 so

x + 4 + (-5) = 12

          x - 1 = 12

               x = 13

b) Since they have the same base of -3 so

8 + x + 4 = 19

   x + 12 = 19

          x = 7

4 0
3 years ago
Ellen Saver went to her bank. She had a balance of $2,447.67 in her savings account. She withdrew $231.49 and the teller credite
Zielflug [23.3K]
Given:

Beginning Balance:    2,447.67
Less: Withdrawal      <u>      231.49</u>
Total                               2,216.18   
Add: Credit to acct    <u>         36.61</u>
Ending Balance    <u>       2,252.79

</u>The new balance is $2,252.79<u>
</u>
5 0
3 years ago
Read 2 more answers
In ΔEFG, the measure of ∠G=90°, the measure of ∠E=6°, and GE = 71 feet. Find the length of EF to the nearest tenth of a foot.
djyliett [7]

Answer:68.2

Step-by-step explanation:

cos6=71/EF

cos6= 0.960170286650366

0.960170286650366= 71/EF

0.960170286650366*71=EF

EF= 68.2

3 0
3 years ago
Read 2 more answers
Hiii! can someone please help me with my maths question
beks73 [17]

Step-by-step explanation:

a^2 + b^2 = c^2

(x+2)^2 + 4x^2 = (3x+4)^2

(x+2)(x+2)+ 4x^2= (3x+4)(3x+4)

x^2 + 2x + 2x + 4 + 4x^2 = 9x^2 + 12x + 12 x + 16

5x^2 + 4x + 4 = 9x^2 + 24x + 16

-4x^2 - 20x - 12 = 0

now we can use the quadratic formula

(-b±√(b²-4ac))/(2a)

I can't type all this so

.....

x = -0.697224362 or -4.302775638

AB can't be negative so it's the first one

so it's equals to 1.302775638

6 0
3 years ago
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