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Bas_tet [7]
3 years ago
11

Coral spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is

her weekly allowance if she ended with $12? Include a let statement.
Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

$16

Step-by-step explanation:

Let x=number of cars washed when y=allowance. We know she got $4 as a result of washing the car. She ends with $12, and we want to find the amount before washing the car.

$12 - $4 = $8

So, Coral had $8 before washing the car. Since she spent half of her allowance already playing golf, we know that $8 is only half of her total weekly allowance. Double this.

($8)2 = $16

Therefore, her weekly allowance is $16.

We can check this. She spent half playing golf, $16 / 2 = $8. She washes a car for $4. $8 + $4 = $12, which is what she ended with. So our answer is correct.

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The length of a boat is 10.8 meters. Bodies buy a scale model of the boat.the scale of the model is 1:18
otez555 [7]

Answer:

Step-by-step explanation:

1/18 x 10.8 = 0.6 meters

The model of the boats' length is 0.6 meters.

3 0
3 years ago
4462 mm² in m²
Varvara68 [4.7K]

Answer:

0.004462m²

612000m²

0.0482m²

Step-by-step explanation:

Using the conversion

1mm² = 10^-6m²

4462mm² = x

Cross multiply

1 * x = 4462 * 10^-6

x = 4462 * 10^-6

x = 4.462 * 10^3 * 10^-6

x = 4.462*10^{3-6}

x = 4.462*10^-3

x = 0.004462m²

Hence 4462 mm² in m² is 0.004462m²

0.612 km² in m²

1km² = 10^6m²

0.612km² = y

Cross multiply

1 * y = 0.612 * 10^6

y = 0.612*1,000,000

y = 612000m²

Hence 0.612 km² in m² is 612000m²

482 cm² in m²

1cm² = 0.0001m²

482 cm²  = z

z = 482 * 0.0001

z = 0.0482m²

Hence 482 cm² in m² is 0.0482m²

6 0
2 years ago
For what value of x is sin x = cos 19°, where 0°< x < 90°? 38°
Digiron [165]
Sin x =cos 19 X =sin^1(cos 19) X=71
6 0
3 years ago
Read 2 more answers
Calculate the quotient of 54256/45 round to the nearest tenth
vampirchik [111]

Answer:

3.4

Step-by-step explanation:

will 3.4 is is rounded of 54256 in decamal

7 0
2 years ago
Can someone please help me on 12
mixer [17]
Well first, you need to solve within the parentheses. You would get 23.8 - 14 - 8.6

Then you would subtract them in order, and your answer would be 1.2
6 0
3 years ago
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