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mariarad [96]
2 years ago
14

8x + 3y = 13 3.x + 2y = 11

Mathematics
1 answer:
Gekata [30.6K]2 years ago
7 0

Answer:

what it means ,if there is already ans

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What percent of 200 miles is 150 miles
Anna71 [15]
150 miles is exactly 75% of 200 miles.
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4 0
3 years ago
Can someone please tell me the ans of question no. 5, 7 and 12
uysha [10]

Step-by-step explanation:

Z²=x³

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7 0
3 years ago
3x to the power of 3 + 21x squared + 36x = 0 by factoring the quadratic equation.
Diano4ka-milaya [45]

Answer:

x = 0, -4 and -3.

Step-by-step explanation:

The given expression is "3x to the power of 3 + 21x squared + 36x = 0".

We can write this expression as follows :

3x^3+21x^2+36x=0

Taking 3x common.

3x(x^2+7x+12)=0\\\\3x=0\ \text{and}\ (x^2+7x+12)=0

x = 3

x^2+7x+12=0\\\\x^2+3x+4x+12=0\\\\x(x+3)+4(x+3)=0\\\\(x+4)(x+3)=0\\\\x=-4,-3

Hence, the solution of the given quadratic equation are x = 0, -4 and -3.

5 0
3 years ago
pam read 126 pages of her summer reading book in 3 hours. Zack read 180 pages of his summer reading book in 4 hours. If they con
zhuklara [117]
Well, you will need to find out how much each person reads per hour. To find that out, you will need to divide 126 by 3, resulting in 41 pages an hour. If you do the same thing with Zack, you will be able to find out that he reads 45 pages an hour. Now, you will need to multiply the number of pages per hour by 5! if you multiply 41 by 5, you get 205 pages. If you multiply 45 by 5, you get 225 pages. Pam isnt able to read more than 215 pages in 5 hours, but Zack is able to.
8 0
2 years ago
Read 2 more answers
Find the percent change:<br><br> $350 to $400
skad [1K]

Answer:

14.29% increase

Hope this helps!

7 0
2 years ago
Read 2 more answers
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