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grandymaker [24]

3 years ago

11

Solve for x 3 [3x _1 ]_10 =8 +5x

2 answers:

yulyashka [42]3 years ago

8 0

3(3x-1)-10 = 8+5x

9x -3= 18 + 5x

4x = 21

x = 21/4

Sergio039 [100]3 years ago

3 0

Follow me
<span>3 [3x _1 ]_10 =8 +5x
we have 9x-3-10=8+5x
and 9x-5x= 8+13
or 4x= 21
So we obtain x=21/4
The solution is 21/4
Have fun</span>

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One side of trapezoid is 10 inches. The side parrellel to this is twice as long as this side. The height is half as long as the

madam [21]

The first side is 10 inches
the side parallel to this is (10×2)= 20 inches
Height is half the length=1/2×20=10 inches
The area of trapezium is given by:
Area=1/2×h×(a+b)
where a and b are the sides, h is the height. Thus the area will be:
Area=1/2×10×(20+10)
=1/2×10×30
=150 sq. inches

7 0

3 years ago

A local health club has a large swimming pool non member must pay a 6$ per day fee to use the pool member of the club pay 1$ but

vazorg [7]

Answer:

50 days

Step-by-step explanation:

Step one:'

given data

Non member must pay a 6$ per day

let number of days be x

cost = 6x

member of the club pay 1$ but must pay a yearly membership fee of 250

cost = 250+x

Step two

equate the two expression to find x

6x=250+x

6x-x= 250

5x=250

divide both sides by 5

x= 250/5

x=50 days

3 0

2 years ago

One week, Steph worked 20 hours, Marco

garik1379 [7]

Answer: 9

Step-by-step explanation:

Add 20, 12, and 32 together then divide by 7 because it says "One week" and a week is 7 days. So, it should be like 20 +12 + 32= 64

64 / (divided by) 7 = 9

4 0

2 years ago

Find each quotient. Write in simplest form. keep answer as fraction - not decimal

kirill [66]

So we are given the expression:

$\frac{mn^{2}}{4}$ ÷ $\frac{m^{2}n}{8}$

When we divide fractions, we must flip the second term and change the sign to multiplication:

$\frac{mn^{2}}{4} *\frac{8}{m^{2}n}$

And then we multiply across:

$\frac{mn^{2}}{4} *\frac{8}{m^{2}n}= \frac{8mn^{2}}{4m^{2}n}$

Then we can break apart all of the like variables for simplification:

$\frac{8mn^{2}}{4m^{2}n}=\frac{8}{4} * \frac{m}{m^{2}} *\frac{n^{2}}{n}$

When we simplify variables through division, we subtract the exponent of the numerator from the exponent of the denominator. So we then have:

$\frac{8}{4} =2$

$\frac{m}{m^{2}}=m^{-1} =\frac{1}{m}$

$\frac{n^{2}}{n}=n^{1}=\frac{n}{1}$

So then we multiply all of these simplified parts together:

$\frac{2}{1}*\frac{1}{m}*\frac{n}{1} =\frac{2n}{m}$

So now we know that the simplified form of the initial expression is: $\frac{2n}{m}$ .

3 0

2 years ago

PLEASE HELP ME !!

V125BC [204]

Answer:

$\huge\boxed{\sf The\ co-efficient\ of\ x\ is\ -4.}$

Step-by-step explanation:

Slope = m = -4

Y-intercept = c = -7 ( Because that is the point where x = 0 )

<u>Equation:</u>

$\sf y = mx+c\\\\y = -4 x+(-7)\\\\y = -4x-7$

So, The co-efficient of x is -4.

$\rule[225]{225}{2}$

Hope this helped!

<h3>~AH1807</h3>

6 0

2 years ago