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Marrrta [24]
2 years ago
9

HELP PLEASE!!!! Solve for x.

Mathematics
2 answers:
ohaa [14]2 years ago
7 0
Add 11 to both sides (7/8x=84) then multiply both sides by 8 (7x=672) then divide by 7 from both sides and x=96
docker41 [41]2 years ago
3 0

Answer:

96

Step-by-step explanation:

Multiply both sides of the equation by 8

move the constant to the right

calculate

divide both sides

solution

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Question 1 Part A One of Maria and Josie’s early tasks is printing and laminating signs to hang at local businesses around town.
maks197457 [2]

Answer:

Using the table

Maria     does 1/4 of the job in 1 hour since it takes her 4 hours to complete the job  , she works x hours and completes x/4 of the task

Josie     does 1/2 of the job in 1 hour since it takes her 2 hours to complete the job  , she works x hours and completes x/2

x/4 + x/2 = 1 completed task

Multiply by 4

x/4 *4 + x/2*4 = 1*4

x+2x =4

3x=4

x = 4/3

x = 1 1/3 hours

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3 years ago
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a 3-year lease costs $324 a month and a 2-year lease costs $392 a month for the same car. On the lease signing date Matt Grove m
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The more expensive plan is the 3 year plan. He should expect to pay 306 a per month with would be 3682 (if I’m right) sorry about the other person I reported their answer
4 0
2 years ago
Wyatt says the fraction means 7 sixths. Is he correct?
nekit [7.7K]

Answer:

yes Wyatt is very correct

3 0
1 year ago
At her brother’s birthday party, Lisa ate 80 pretzels, or 20% of a bag. A tape diagram. Lisa ate 20 percent out of 100 percent o
yaroslaw [1]

The correct answers are a, c, and e.

6 0
3 years ago
Read 2 more answers
!!! HELP ME !!!
antoniya [11.8K]

Answer:

DHGB

Step-by-step explanation:

Let's start with 1.  

The equation is in standard form (ax+by=c): -4x+2y=8

we'll put it into slope intercept form.

Add 4x onto both sides

2y=4x+8

divide by 2

y=2x+4

Parallel lines have the same slope, but a different y intercept. (the line parallel to this one will have a slope of 2 but a y intercept different from +4)

Looking at the answer choices, the only choice with a slope of 2 is D (y=2x-5)

So the answer to 1  is D

Now 2.

we're given 3 points. One of the points crosses the y axis, which is the y intercept. In this case, the line crosses the point (0,3)

That means the y intercept of the line is (0,3)

here's the line so far:

y=mx+3 (m is a placeholder for the slope)

when given a graph, we can use rise/run. Starting from the point (3,2), we can move 3 spaces to the left, and one up.

In a graph, if you move to the left or downwards, it's a negative move. If you move up or to the right, it's a positive move.

Since we went 1 space up (rise) and 3 spaces to the left, (run) the slope is -1/3

So the line is y=-1/3x+3

Perpendicular lines are negative and reciprocal. If you multiply their slopes, they will equal -1. Their y intercepts don't matter at all.

So to find the slope, we can use this equation.

-1/3m=-1

multiply by -3 on both sides

m=3

Looking at the answer choices, H is the only answer with a slope of 3. So the answer to 2 is H.

Now, 3

You can do the graph method like above for 2, but I'll just calculate the slope.

We're given two points, (-1,-2) and (0,2)

the formula for slope is (y2-y1)/(x2-x1)

we can label the points.

x1=-1

y1=-2

x2=0

y2=2

now, substitute into the equation.

m=(2--2)/(0--1)

m=4/1

the slope is 4.

Now let's use point slope form, which is y-y1=m(x-x1)

once again, sub. into the equation.

y+2=4(x+1)

do distributive prop

y+2=4x+4

subtract by 2

y=4x+2

As said above, parallel lines have the same slope.

Looking at the answer options, G also has the slope of 4

so the answer to 3 is G

Finally, #4

Equation: 3x+y=1

subtract 3x from both sides

y=-3x+1

As said above, perpendicular lines have slopes that multiply to equal -1.

-3m=-1

multiply by -1/3

m=1/3

so the slope of the line will be 1/3.

Looking at the answer options, B also has a slope of 1/3.

So the answer to 4 is B

The code is DHGB

Hope this helps!

4 0
3 years ago
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