MATHEMATICS MIDDLE SCHOOL

John earned $12 on Saturday but he only managed to earn half of the amount on Sunday.He earned $26 the previous weekend. How much more does he need to earn to give the $60 he needs to buy a new hockey stick ?

Answers

Answer 1

Answer: First, you would go;
12÷2=6
Then, you would do;
12+6+24= 42
Finally;
60-42 = 18
John needs $18 to buy the hockey stick.

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What number is bigger 5.8 tenths or 0.58

Answers

5.8 is bigger than 0.58

The answer to -6-2m=10

Answers

First you have to add 6 to both sides to get -2m=16. Divide by -2 to get m by itself, and your answer is m=-8.

What is the volume of this triangular prism? A.
33 cm3

B.
210 cm3

C.
420 cm3

D.
840cm3

Answers

$The\ volume\ of\ the\ prism:V=A_B\cdot H\n\nA_B-area\ of\ the\ base;\ H-height\ of\ the\ prism\n-------------------------------\n\nIn\ base\ is\ the\ triangle.\ The\ area\ of\ the\ triangle:A_\Delta=(b\cdot h)/(2)\n\nb-the\ basel\ h-the\ height\n\nb=14cm;\ h=4cm\n\nsubtitute:A_\Delta=(14\cdot4)/(2)=(56)/(2)=\boxed{28\ (cm^2)}\n\nAnswer:V=28\cdot15=\boxed{420\ (cm^3)}\leftarrow\boxed{\boxed{C}}}$

Solve open parentheses square root of 7 close parentheses to the 6 x power = 49x−6.x = negative 21 over 2
x = −6
x = negative 6 over 5
x = −12

Answers

Answer:

Option D is correct.

x = -12

Step-by-step explanation:

Solve: $(√(7))^(6x) = 49^(x-6)$

We can write 49 as:

$49 = 7 \cdot 7 = 7^2$

using exponent rules:

$\sqrt[n]{a^m}=a^{(m)/(n)}$

$(a^m)^n = a^(mn)$

Apply this rules on the given equation:

$((7)^{(1)/(2)})^(6x) = (7^2)^(x-6)$

$7^{(6x)/(2)} = 7^(2(x-6))$

Simplify:

$7^(3x) =7^(2x-12)$

On comparing both sides we get;

$3x = 2x-12$

Subtract 2x from both sides we get;

x = -12

Therefore, the value of x is -12

The equation is not setup properly, possibly it is your teacher's fault.

From external research, I would say the answer is x = -12.

500 people fill up 4/9 of the hall. What is the seating capacity of the hall?

Answers

the answer would be 1125 because you have to divide 500 by 4 then multiply it by 9

If 4/9 of the hall hold 500 people, then 1/9 of the hall holds 125 people.
Times that by 9 and you have your answer which is 1125 people.

I am a number between 60 and 100 my ones digit is two less than the digit in my ten. I'm a prime number what is my number?

Answers

the only possibility is 79 hope it helped:D

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