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galben [10]
3 years ago
14

What does 9a squared + 2b squared if a=4 and b=7?

Mathematics
1 answer:
joja [24]3 years ago
7 0
Wait is a squared or 9a squared
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How do I solve fro r and q?<br><br> 9r+q=13<br> 3r+2q=-4
olga55 [171]
One way to solve the system of equations would be to solve for q (in terms of r) in the first equation to get:
9r + q = 13
q = 13 - 9r

Then, take the value for q you just found and insert it into the second equation:
3r + 2(13-9r) = -4

Then simplify and solve:
3r + 26 - 18r = -4
-15r = -30
r = 2

Now that you have the value for r, plug it into either of the original equations and solve for q:
9r + q = 13
9(2) + q =13
18 + q = 13
q = -5

r = 2; q = -5
7 0
3 years ago
Read 2 more answers
A physician orders 0.5oz of magnesia and alumina oral suspension antacid 4 times per day for a client with indigestion.how many
Brut [27]
1 fl oz. is equivalent to 29.6 ml.
0.5 * 4 * 29.6 = 59.2 ml
3 0
3 years ago
B1=4,b2=8,h=2 I NEED HELP THE ANSWERS YOU PUT IN DONT SHOW UNLESS I STAY ON :(
liubo4ka [24]
You didn’t specify what this was for but it looks like the factors for the area of a trapezoid
in that case the answer is 12
5 0
3 years ago
Can someone help plzzzz?
scoundrel [369]

Answer:

C 1/2

Step-by-step explanation:

7 out of 14 people have a Snap account, if you simplify that number- dividing both the numerator and denominator by 7-it leaves you with the answer 1/2

5 0
4 years ago
Read 2 more answers
2 to the 3 power x 2 to the 4 power
inn [45]

Answer:

The answer is 128

Step-by-step explanation:

2³ × 2⁴ = 2⁷ ( when it comes to multiple with the same base, the power must add together)

= 128

(Correct me if i am wrong)

3 0
4 years ago
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