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Gennadij [26K]
3 years ago
15

Question

Mathematics
2 answers:
maria [59]3 years ago
8 0

Answer:

He needs 16 ounces of raisins and 8 ounces of nuts

Step-by-step explanation:

Let

x -----> the number of ounces of raisins

y -----> the number of ounces of nuts

we know that

x+y=24 -----> equation A

x=2y -----> equation B

Solve the system by substitution

Substitute equation B in equation A and solve for y

(2y)+y=24

3y=24

y=8 ounces of nuts

Find the value of x

x=2(8)=16 ounces of raisins

therefore

He needs 16 ounces of raisins and 8 ounces of nuts

Ronch [10]3 years ago
8 0

Answer:

8 ounces of nuts and 16 ounces of raisins.

Step-by-step explanation:

Enrique is making a party mix that contains raisins and nuts.

For each ounce of nuts, he uses twice the amount of raisins.

Let the amount of nuts = x

the amount of raisins = 2x

Total amount of party mix he need to make = 24 ounces

the equation will be

x + 2x = 24

3x = 24

x = \frac{24}{3}

x = 8 ounces

The amount of raisins = 2x = 2(8)

                                    =  16 ounces

For 24 ounces of party mix Enrique need  8 ounce of nuts and 16 ounces of raisins.

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Idk,
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4 0
3 years ago
The circumference of F is 120 cm what is the length of DE the minor arc
AfilCa [17]

Answer:

Option E 15 cm

Step-by-step explanation:

we know that

The circumference of a circle subtends a central angle of 360 degrees

so

using proportion

Find out the length of arc DE by a central angle of 45 degrees

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7 0
3 years ago
Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile
Llana [10]

Answer: 37

Step-by-step explanation:

Given : Significance level : \alpha:1-0.98=0.02

Critical value : z_{\alpha/2}=z_{0.01}=2.33

margin of error : E= 1 mile per gallon

Population standard deviation: \sigma=2.6 miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by  :

n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2

n=(\dfrac{(2.33)\times 2.6}{1})^2=36.699364\approx37  [Round to the next whole number.]

Hence, the required number of automobiles should be used in the test = 37

7 0
3 years ago
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n200080 [17]

Answer:

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6 0
3 years ago
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Masteriza [31]

9514 1404 393

Answer:

  60

Step-by-step explanation:

Let m represent the mark Cheryn scored on her first quiz. Then her average is ...

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Cheryn scored a minimum of 60 marks on her first quiz.

4 0
3 years ago
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