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Svetlanka [38]
3 years ago
6

Need help on these questions.

Mathematics
2 answers:
HACTEHA [7]3 years ago
7 0

Answer:

1) a < -8 or a > 8

2) n = -18 or n = 18

3) z = - 1/2 or z = 1/2

Step-by-step explanation:


STALIN [3.7K]3 years ago
5 0

Answer:

1) a <u><</u> -8 or a <u>></u> 8

2) n = -18 or n = 18

3) z = - 1/2 or z = 1/2

Step-by-step explanation:


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3 years ago
Need help on this as soon as possibke
miss Akunina [59]
LA = perimeter of base x height

Use Pythagorean theorem to find the base

4^2 + 6^2 = 52
Sq root of 52 is 7.2111...

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137.6 is your answer






3 0
3 years ago
A recipe called for 2/9 cup of chopped tomatoes and 4/7 cup of diced tomatoes. In total how many cups of tomatoes did the recipe
kolbaska11 [484]
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4 0
3 years ago
Read 2 more answers
Find the proper answer
Temka [501]
I think the answer is C
8 0
2 years ago
Please help I am horrible at math! Ye is riding home from a friend's house. After 5 minutes he is 4 miles from home, after 15 mi
vesna_86 [32]

Answer:

<em>y=-0.2x+5. Correct choice: A)</em>

Step-by-step explanation:

<u>Modeling With Equations</u>

Let's call x the number of minutes and y the distance from home. The correct model should meet both conditions:

After 5 minutes, Ye is 4 miles from home. This is the ordered pair (5,4)

After 15 minutes, Ye is 2 miles from home. This is the ordered pair (15,2)

A) y=-0.2x+5. Testing the first point (5,4): y=-0.2*5+5=4. Correct

Testing the second point (15,2): y=-0.2*15+5=2. Correct

This is the correct choice.

B) y=11/7x-27/7. Testing the first point: (5,4) y=11/7*5-27/7=4. Correct

Testing the second point (15,2). y=11/7*15-27/7=138/7. Incorrect

Incorrect choice.

C) This equation is equal to the choice B), thus this one is incorrect.

D) y=5x-0.2. The first point (5,4) yields to:

4=5*5-0.2=24.8 Incorrect.

6 0
3 years ago
Read 2 more answers
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