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3 years ago

Help I cant fail this test

Mathematics

1 answer:

Elanso [62]3 years ago

7 0

the answer 3x+2y+4=18

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Select the correct answer.

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A. 1,690 miles because it’s for 30 days and they do 12 miles each day

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3 years ago

Cost of a jacket: $146.75 Tax: 5% What is the new cost?

KIM [24]

Answer:

7.33 dollars is the tax cost the new cost is 154.08

Step-by-step explanation:

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3 years ago

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Real numbers worksheet Help please and ty

Rina8888 [55]

Answer:

1. 30 → real, rational, integer, whole number, natural number

2. •11 → real, irrational

3. 5 ⁴/7 → real, rational, integer

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5. 0 → real, rational, integer, whole, natural

6. -√9 → real, rational, integer, whole

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8. π → real, irrational

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Step-by-step explanation:

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3 years ago

HELP ME PLS Which of these figures has rotational symmetry?

Vlada [557]

Answer:

Step-by-step explanation:

When you rotate the shape it will be the same as it was before .

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3 years ago

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Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of 0.367347 Hz

anygoal [31]

Answer:

18 waves hit the beach in 49 s.

Step-by-step explanation:

Given:

The frequency of the waves that were coming into the beach is 0.367347 Hz.

Now, to find the number of waves that hit the beach in 49 s.

Let the number of waves be $n.$

The frequency of waves ( $f$ ) = 0.367347 Hz.

The time it takes to hit the beach ( $t$ ) = 49 s.

Now, we put formula to get the number of waves:

$f=\frac{n}{t} \\\\0.367347=\frac{n}{49} \\\\Multiplying\ both\ sides\ by\ 49\ we\ get:\\\\18.000003=n\\\\n=18.000003.$

The number of waves = 18.

Therefore, 18 waves hit the beach in 49 s.

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3 years ago