3 years ago

If elephant grass grows 2 1/4 inches a day, how many inches will it grow in 9 days

Mathematics

1 answer:

yarga [219]3 years ago

7 0

Answer:

11 and 1/4 inches

Step-by-step explanation:

9 times 2 1/4

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Reuben has scores of 70,75,83, and 80 on four spanish quizzes. what score must he get on the next quiz to achieve an average of

Sergio [31]

X - the score he must get

$\frac{70+75+83+80+x}{5} \geq 80 \\
\frac{308+x}{5} \geq 80 \\
308+x \geq 400 \\
x \geq 92$

He must get at least 92 points.

4 0

2 years ago

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Simplify (-3/5) ÷ (7/6). A. -7/10 B. -18/35 C. 18/35 D 7/10

docker41 [41]

The answer would be B. You would need to keep the first fraction, change to multiplication, and flip the second fraction and multiply across.

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2 years ago

Lara went to the nursery and spent $140 she purchased 4 plants each of the plant costs the same price what is the cost of 1 plan

trapecia [35]

Answer:

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Step-by-step explanation:

You take the 140 and divide that by 4 to get your answer.

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2 years ago

If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three

goldenfox [79]

Answer:

(64,86.5)

Step-by-step explanation:

find the case where he gets 70 and the case where he gets 79

if his average is 70:

(75+62+85+2x)/5=70

(222+2x)/5=70

222+2x=350

2x=128

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if his average is 79:

(75+62+85+2x)/5=79

(222+2x)/5=79

222+2x=395

2x=173

x=86.5

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2 years ago

A fish is 5 feet below the surface of a lake. If its position can be recorded as -5 feet what would the position of 0 represent

eduard

The surface of the lake.
6
5
4
3
2
1
0 Here is the surface of the lake
-1
-2
-3
-4
-5 Here is the fish
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2 years ago