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Arisa [49]
3 years ago
9

A metalworker has a metal alloy that is 20​% copper and another alloy that is 75​% copper. How many kilograms of each alloy shou

ld the metalworker combine to create 80 kg of a 53​% copper​ alloy?

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
That's the answer to your question

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20% of dash is equal to 140M
AlexFokin [52]

ANSWER: The length of the entire dash is 700 meters.

EXPLANATION:

Because 20% of the dash equals 140 meters, we can use a variable to figure out the length of the entire dash.

Let x be the length of the entire dash.

.2x = 140\\\\x = 700

The length of the entire dash is 700 meters.

7 0
3 years ago
How do you minimize 4 x+y for the bounded feasible region displayed above?
Anna [14]

Answer:

Maximization and Minimization Problems on Feasible Regions

Step-by-step explanation:

go to that yt vid

3 0
2 years ago
Each cube in this figure is a -centimeter unit cube. How many cubes are in the prism? [Type your answer as a number.]
Annette [7]

Answer:

72 cubes

Step-by-step explanation:

One face of the cube has 12 cubes. A cube has 6 faces, 12 × 6 = 72. (12 cubes × 6 faces = 72 cubes)

6 0
2 years ago
The two-way table shows the estimated number of students who will enroll in three area high schools next year. a 5-column table
mr Goodwill [35]

Answer:

A. 0.2

Step-by-step explanation:

First make the table.

                                          <u>10-grade</u>  <u>11-grade</u>  <u>12-grade</u>  <u>Total</u>

<u>Woodson high school </u>    |     110     |     120    |      80     |   310   |

<u>Valley high school </u>          |     180    |     150    |     120     | 450   |

<u>Riverside high school </u>     |     160    |     140    |     200    | 500   |

<u>Total </u>                                 |     450   |     410    |     400    | 1260 |

Question: In decimal form, to the nearest tenth, what is the probability that a randomly selected riverside high school student is in twelfth grade?

First, find 12-grade and riverside high school number. 200. Take the total lined up with total number, which is 1260, and divide 200 divided by 1260.

200/1260=0.2

The answer is 0.2.

Hope this helps!

If not, I am sorry.

6 0
2 years ago
Please help ASAP! Will mark brainliest
Alona [7]

Answer:

15 B

16 C

17 A

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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