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nikklg [1K]
3 years ago
14

279 is 33 1/2 of what amount

Mathematics
1 answer:
ycow [4]3 years ago
4 0

Answer:

33% of 279 is equivalent to multiplying them: 33% × 279.

Step-by-step explanation:

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A scientist mixes water (containing no salt) with a solution that contains 30% salt. She wants to obtain 180 ounces of a mixture
xxMikexx [17]

Answer:

water : 90 ounces

salt solution: 90 ounces

Step-by-step explanation:

Call w the amount of water and call the solution containing 30% salt.

We want to get 180 ounces of a mixture with 15% salt.

So:

The amount of mixture will be:

w + s = 180

the amount of salt will be

0w + 0.3s = 180 * 0.15

0.3s = 27

s = 90\ ounces

Now we substitute the value of s in the first equation and solve for w

w + 90 = 180

w = 90\ ounces

5 0
3 years ago
What is the answer to this question? Someone help!!
nirvana33 [79]
Her expenses are a fixed expense of $4500 and a weekly expense of $200.
Let's call the unknown number of weeks w.

In w weeks, the weekly expenses will by 200w.
The total expense is

200w + 4500

In a week, when earns $550. In w weeks, she earns 550w.

Set the expenses equal to the earnings and solve for w.

550w = 200w + 4500

Subtract 200w from both sides.

350w = 4500

w = 12.86

It takes her 12.86 weeks to break even.
If she works 13 weeks, she begins to make a profit.
5 0
3 years ago
In this figure m∠A=(2x-2)°, m∠C=(4x-6)°,and m∠DBC=(5x+4)° What is m∠C
Verizon [17]

Answer:

answer 500

Step-by-step explanation:

2x2-40x33 divided by 2 and boom answer 500

6 0
3 years ago
Read 2 more answers
How long is the base of a parallelogram with an area of 50 square feet and a height of 10 feet
Gnesinka [82]

Answer:

b=5ft

Step-by-step explanation:

Height: 10

Area: 50

Solved for base

Shape: Parallelogram

Formula: Height/10= 5

1: 50 divided by 10 = 5

Answer is 5

Hope this helps.

3 0
3 years ago
Is the point (3, 4) a solution to the equation 3y = 2x +6 ? Explain why using evidence from your work
irinina [24]

Answer:

Yes

Step-by-step explanation:

When graphing it you can see that (3, 4) is clearly a solution. The proper equation using slope intercept form is y= 2/3x + 2.

7 0
3 years ago
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