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3 years ago

What's the ratio? please help! Urgent!

Mathematics

1 answer:

Dovator [93]3 years ago

3 0

Answer:

13:5

Step-by-step explanation:

Messy played 65 minutes while the substitute played 25 minutes. This ratio is 65:25 and can be simplified to 13:5.

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You take a taxi to your sisters home. The driver charges you $8 for 3 kilometers and $2 for each additional kilometer. If you pa

vivado [14]

14-8=6. So far we have 3 km, then 6 divided by 2 which is 3 additional kilometers. 3+3 is 6 so the final answer is 6km

7 0

3 years ago

Read 2 more answers

Find the value of x.

kherson [118]

Answer:

46degrees

Step-by-step explanation:

Find the value of x.

Using the circle theorem which states that

The angle at the vertex is half the difference that at the intercepted arcccs

x = 1/2(152 - 60)

x = 1/2 (92)

x = 92/2

x = 46degrees

Hence the value of x is 46degrees

6 0

3 years ago

For his birthday, Mr. Robin and four of his friends went to a Math museum to learn about new intergalactic math. They each got a

Helen [10]

Answer: $10

Step-by-step explanation:

Given

Robin and his four friends bought tickets for $\$12$ each

If each one of them bought a calculator then the total spendings are $\$110$

Suppose the cost of each calculator is $\$\ x$

Cost per person is given by $x+\$12$

For the group, it is $5(x+12)$

Equate this to total spendings

$\Rightarrow 5(x+12)=110\\\Rightarrow x+12=22\\\Rightarrow x=\$\ 10$

thus, the cost of each calculator is $\$ 10$

4 0

2 years ago

Use long division to convert − 325/16 to a decimal.

VLD [36.1K]

To write 325/16 as a decimal you have to divide the numerator by the denominator of the fraction. i divided 325/16 and got 20.3125

8 0

3 years ago

Read 2 more answers

The weekly cost of food for a family of four using the moderate cost plan in the United States increased at a relatively constan

Mila [183]

Answer:

Part a) The weekly cost of food for a family of four in 1997 was $153.09

Part b) $y=4.83x+153.09$

Part c) $\$215.88$

Step-by-step explanation:

Part a. What was the weekly cost of food for a family of four in 1997?

Let

y ---->the weekly cost of food for a family of four

x ---> the number of years since 1997

we know that

The linear equation in point slope form is equal to

$y-y1=m(x-x1)$

In this problem we have a linear function between variable x and variable y

In 2004, the weekly cost of food for a family of four was $186.90

In the year 2004

The value of x is equal to

x=2004-1997=7 years

we have

$point\ (7,186.90)$

$m=\$4.83\ per\ year$

substitute

$y-186.90=4.83(x-7)$ ----> equation in point slope form

Remember that the year 1997 is when the value of x is equal to zero

For x=0

$y-186.90=4.83(0-7)$

solve for y

$y=4.83(-7)+186.90$

$y=153.09$ -----> y-intercept or initial value

therefore

The weekly cost of food for a family of four in 1997 was $153.09

Part b. Write an equation that gives the weekly cost of food for a family of four as a function of the number of years since 1997

we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope

b is the y-intercept or initial value

we have

$m=\$4.83\ per\ year$

$b=\$153.09$ ----> initial value in 1997

substitute

$y=4.83x+153.09$

Part c. Find the weekly cost of food for a family of four in 2010 assuming the same rate of increase

In the year 2010

x=2010-1997=13 years

substitute in the linear equation

$y=4.83(13)+153.09=215.88$

5 0

3 years ago