There are 40 apples in a crate.

Mathematics

1 answer:

Korolek [52]3 years ago

8 0

35 apples are still good

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In a random sample of 800 seniors at Mill Creek High School, 100 students are asked if they prefer graduation at the High School

AveGali [126]

Answer:

Step-by-step explanation:

84%

800*.84 = 672 students prefer the stadium

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3 years ago

Maggie used 7/8 mile on monday and 1/2 of that distance on Tuesday. How far did she jog on Tuesday?

ANEK [815]

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7/4 or 1 3/4

Step-by-step explanation:

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4 years ago

What is the solution to the system of equations? ⎧⎩⎨⎪⎪x+3y−z=24x+2y+5z=13x+z=12 (−4, 1, −3) (3, 0, 3) (5, −2, −3) (−1, 2, 3)

snow_tiger [21]

<h3>Answer:</h3>

(5, -2, -3)

<h3>Explanation:</h3>

We assume your equations are ...

x +3y -z = 2
4x +2y +5z = 1
3x +0y +z = 12

These have solution (x, y, z) = (5, -2, -3).

_____

Trying the choices in the last equation eliminates the first and last. Trying the second choice in the first equation eliminates it, leaving the 3rd choice as the answer you're looking for.

We also know because we can ask a graphing calculator to solve the matrix equation (or row-reduce the augmented matrix).

<em>Comment on this problem</em>

The hardest part of this problem is figuring your intent. The equations are not well-separated, so we have a hard time telling what is a constant and what is a coefficient. It took a couple of guesses to sort it out. A little editing before posting would be helpful.