3 years ago

{ y = 3x - 4 y = x + 2

Mathematics

1 answer:

Savatey [412]3 years ago

3 0

X=3 and y=5 that's all

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15.5 rounded to the nearest tenth

Degger [83]

The tenths place is to the right of the decimal point.
In order to round u number to the nearest tenth, you should to the right of the tenths place. Depending on this number you should determine if you will round up or stay the same (if it is bigger than 5 you will round up, if not it will stay the same).
In our case, the number is 15.5 so it is already rounded to the nearest tenth.

3 0

3 years ago

Sue graphed the formula for converting temperatures from Fahrenheit to Celsius. A graph titled Temperature Conversion has Degree

elena-14-01-66 [18.8K]

Answer:

10 degrees Celsius

Step-by-step explanation:

Since the line goes through point (50, 10) and x represents Fahrenheit, y represents Celsius, then 50 F= 10 C

4 0

2 years ago

Read 2 more answers

Plz help i will mark you branlyest also plz answer both questions

Margaret [11]

Answer:

D(1, -2)

E(3, -4)

4 0

2 years ago

How do you simplify: 5(8 + 7) ? a. 75 b. 65 c. 47 d. 15

tia_tia [17]

Answer:

C. 47

Step-by-step explanation:

5(8 + 7)

Expand the brackets. Brackets mean to multiply.

5(8 + 7)

5 * 8 + 7

= 40 + 7

= 47

8 0

3 years ago

Read 2 more answers

Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer.

valentinak56 [21]

Answer:

1,225 miles = 77616000 inches

Step-by-step explanation:

It is asked to find the number of inches in 1,225 miles

Given

1 inch ≈ 1.578 × 10^-5 miles

Therefore, 1 mile = 63360 inches

Therefore, 1,225 miles = 1225 x 63360 inches

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

Therefore the final answer is

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

3 0

3 years ago