MATHEMATICS MIDDLE SCHOOL

What is 1/3 + a = 5/4

Answers

Answer 1

Answer:

A=11/12

Step-by-step explanation:

1/3+a=5/4

1/3+a-1/3=5/4-1/3

1/3+a-1/3

5/4-1/3 11/12

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The earnings, E of a DJ who charges fee of $250 and an additional $40 per hour,h. NEED HELP ASAP

Answers

Given that you say the question doesn't state the duration of work, I suspect it is asking for an equation to describe E in any situation.

Therefore, let's take x to be the number of hours he is working for.

We know he earns a base $250, so E is going to be 250+something.

That something we know is a multiple of the number of hours he is working for. If it is $40 per hour, it is going to be 40x as if x is 1 that gives 40, if it is 2 it gives 80 and so on.

If we substitute this all in we get:

E = 250 + 40x
Where x is the number of hours he works for.

PLEASE HELP! Im not very good at math

Answers

Answer:

The answer provided is incorrect, the mistake is in the division between the monomials $x^{(6)/(5)}$ and $x^{(2)/(5)}$ that is equal to $x^{(4)/(5)$ not $x^3$ , because we must mantain the same base "x" and subtract the expoents that are $(6)/(5) - (2)/(5) = (4)/(5)$ .

Step-by-step explanation:

In order to simplify that question we need to multiply, divide and power monomials with the same base "x". When we multiply monomias with the same base we sum the expoents, to divide we subtract the expoents and to power them we multiply the expoents. Therefore to simplify the equations we must do:

$(\frac{x^{(2)/(5)}*x^{(4)/(5)}}{x^{(2)/(5)}})^(1)/(2)\n(\frac{x^{(6)/(5)}}{x^{(2)/(5)}})^(1)/(2)\n(x^{(4)/(5)})^(1)/(2)\nx^{(4)/(10)}\nx^{(2)/(5)}$

Answer:

No the answer is incorrect.

Step-by-step explanation:

From the question given;

( $X^{(2)/(5) }$ . $X^{(4)/(5) }$ / $X^{(2)/(5) }$ )¹/²

We will start by solving the inner bracket

By the law of indices $x^(a) . x^(b) = x^(a+b)$

$X^{(2)/(5) }$ . $X^{(4)/(5) }$ = $X^{(2)/(5)+(4)/(5) } = X^{(6)/(5) }$

we will replace $X^{(2)/(5) }$ . $X^{(4)/(5) }$ by $X^{(6)/(5) }$

$X^{(2)/(5) }$ . $X^{(4)/(5) }$ by $X^{(6)/(5) }$

( $X^{(2)/(5) }$ . $X^{(4)/(5) }$ / $X^{(2)/(5) }$ )¹/² = ( $X^{(6)/(5) }$ / $X^{(2)/(5) }$ )¹/²

By the law of indices $x^(a) /x^(b) = x^(a-b)$

$X^{(6)/(5) }$ / $X^{(2)/(5) }$ = $X^{(6)/(5) - (2)/(5) }$ = $X^{(4)/(5) }$

We will replace $X^{(6)/(5) }$ / $X^{(2)/(5) }$ by $X^{(4)/(5) }$

( $X^{(6)/(5) }$ / $X^{(2)/(5) }$ )¹/² = ( $X^{(4)/(5) }$ )¹/² = $X^{(4)/(10) }$ = $X^{(2)/(5) }$

( $X^{(2)/(5) }$ . $X^{(4)/(5) }$ / $X^{(2)/(5) }$ )¹/² = $X^{(2)/(5) }$

No the answer is incorrect.

He made a mistake, because $X^{(6)/(5) }$ / $X^{(2)/(5) }$ = = $X^{(6)/(5) - (2)/(5) }$ = $X^{(4)/(5) }$ and not equal to $x^(3)$

Please help me ergent ):

Answers

what do you need help with

Find the value of x in the triangle. Then classify the triangle as acute, right, or obtuse.(image)

a.
93°, acute
c.
108°, acute
b.
98°, obtuse
d.
97°, right

Answers

its a 93 acute that would be my answer i remember when idid this

B 98 degrees and its obtuse

How many hours are in 8:15 to 12:45

Answers

is 4:30 because ,12:45 take away 8:15= 4 :30 and 8 to 12 they are 4 and 45 take way 15 is 30

4:30
12:45-8:15=4:30
12-8=4
45-15=30
so...
the answer 4:30

Hope this helps

What is the average of the first 99 counting numbers?

Answers

divide 100/2. that will give you the average, 50

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