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user100 [1]
3 years ago
14

X/(4.2 )= -3 Theres no choices

Mathematics
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

-1.40

Step-by-step explanation:

The answer is -1.40 (negative 1 and 2/5) because....

The number would have to be a mixed number.

The number would also have to be a negative.

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Help me please!!! Fasttt 75 points. <br> Solve.....
Aleks [24]

Answer:

-11/12

Step-by-step explanation:

8 0
3 years ago
You want to buy an item that costs $100. Which of these is the most cost-effective choice for buying the item?
stiv31 [10]
Buying it 10% discount without tax is the best option. With card you still have the tax plus the card fee you pay annually to add to it. On the online purchase, you still have the tax plus the 5 shipping charge.
7 0
3 years ago
A ship is sailing due north. At a certain point the bearing of a lighthouse is N 42.8∘E and the distance is 10.5. After a while,
bija089 [108]

Answer:

How far did the ship travel between the two observations of the lighthouse  = 9.29

Step-by-step explanation:

the first step to answer this question is drawing the illustration as the attachment.

P is the ship, R is the light house and Q is the bearing.

PR is the distance between the ship and the light house, PR = 10.5

∠P = 42.8°, ∠Q = 59.7°

Thus, ∠R = 180° - ∠P  - ∠Q

               = 180° - 42.8°- 59.7°

               = 77.5°

PQ is the the distance of the ship moving. We can use the sinus equation

\frac{PR}{sin R} = \frac{PQ}{sin Q}

\frac{10.5}{sin 77.5°} = \frac{PQ}{sin 59.7°}

PQ = (\frac{10.5}{Sin 77.5°})(sin 59.7°)

     = 9.29

5 0
3 years ago
A linear function models the height of a burning candle. Candle A comes out of the mold at 211 ​mm and is expected to be at 187
DerKrebs [107]

Answer:

(11.4 - 22.8) / (26 - 7)

-11.4 / 19 this is the rate at which it burns - the slope

h = (-11.4/19)t + b

22.8 = (-11.4/19)7 + b

22.8 = (-79.8/19) + b

22.8 = -4.2 + b

27 = b

h = (-11.4/19)t + 27

Substitute 15 for t to determine the height of the candle.

6 0
3 years ago
-1.6 + (-2.4) add. write your answer in simplest form
alukav5142 [94]

Answer:

-4

Step-by-step explanation:

<u>Step 1:  Combine</u>

Adding a negative number is same as subtracting a number.

-1.6 + (-2.4)

-1.6 - 2.4

-4

Answer:  -4

5 0
3 years ago
Read 2 more answers
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