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MariettaO [177]
3 years ago
13

write an equation for Tanmayi want to raise $175 for a school fundraiser.She has raised $120 so far.How much more does she need

to reach her goal
Mathematics
2 answers:
Simora [160]3 years ago
8 0
Let x = monies still needed. 175 = 120 + x.
Radda [10]3 years ago
6 0
175-120=55 tanmayi needs $55 to reach her goal
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How much of other chemicals must be evaporated from 400 grams of a hand sanitizer
yulyashka [42]

Answer:

24 g

Step-by-step explanation:

We first find the mass of 24 % alcohol in 400 g of hand sanitizer. Let x be the mass of alcohol. So, x/400 × 100 % = 24 %

x/400 = 0.24

x = 0.24 × 400

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The mass of the other chemicals is thus 400 g - 96 g = 304 g

We now find the mass of 30 % alcohol in 400 g of hand sanitizer. Let y be the mass of alcohol. So, y/400 × 100 % = 30 %

y/400 = 0.30

y = 0.30 × 400

  = 120 g

The mass of the other chemicals is thus 400 g - 120 g = 280 g

The mass of other chemicals that needs to be evaporated is thus 304 g - 280 g = 24 g

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3 years ago
Slope -2/3 .x-intercept at 3 written in y=mx+b
siniylev [52]
Given the slope, m = -2/3, and the x-intercept, (3,0):

Use these values and plug into the slope-intercept form to solve for the y-intercept, b:

y = mx + b

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0 = -2 + b

Add 2 to both sides to isolate b:

0 + 2 = -2 + 2 + b

2 = b

Now that we have our slope, m = -2/3, and the y-intercept, 2

The linear equation in slope-intercept form is:

y = -2/3x + 2


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3 years ago
What is the y-intercept of y = -2x+6y=−2x+6?
goblinko [34]

Answer:

6

Step-by-step explanation:

Given: y=-2x+6

Since the equation is written in slope-intercept form, it is extremely easy to find the y-intercept. Slope-intercept form is written as:

y=mx+b

Whereas:

y: range

m: slope

x: domain

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With that in mind, we can immediately tell that 6 is the y-intercept.

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Answer: I would want to mathematically get better at percentages.


Step-by-step explanation:


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Sever21 [200]

Carmen simplifies the expression and gets the coefficient of y is 10. Thus, the correct option is C.

<h3>What is simplification?</h3>

Simplification is to make something easier to do or understand and to make something less complicated.

Given

Carmen simplifies the expression \rm (4 y + 8 x + 6) + 25 + (4 x  +6 y +7).

We can add x term with x, y term with y, and constant with constant.

On simplifying, we have

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Thus, the coefficeint of y is 10.

More about the simplification link is given below.

brainly.com/question/12616840

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