Mathematics High School

The fastest recorded lava flow moved at an average speed of 7 miles per hour. The function y = 7x
describes the distance y the lava moved on average in x hours. Graph the function. Use the graph to
estimate how many miles the lava moved after 6.5 hours.
50
y
45
40
35
30
25
20
15
10
5
.
0
0
1
2
3
4
5
6
7
8
9
10
?
y = 7x

Answers

Answer 1

Put this on a graph (I recommend putting the coordinates into desmos for easy graphing)

0 hours: (0, 0)

1 hours: (1, 7)

2 hours: (2, 14)

3 hours: (3, 21)

4 hours: (4, 28)

5 hours: (5, 35)

6 hours: (6, 42)

6.5 hours: (6.5, 45.5)

After 6.5 hours the lava would have travelled approximately 45.5 miles

I hope this helps you!

Related Questions

another word for multiplicative inverse

Answers

Answer:

Reciprocal

Step-by-step explanation:

That's it right there

Reciprocal you can look it up on google

Which transformation maps the pre-image to the
image?
O dilation
O translation
O reflection
O rotation

Answers

The figure in the image is dilated

2.6 A printer can print 12 color pages in 3 minutes. How many color pages can the printer print in 9 minutes?

Answers

Answer:

36

Step-by-step explanation:

12 times 3 = 36

Write an expression to represent the sum of three times the square of a number and .

In your expression, what is the value of the constant?

Answers

Answer:

3x^2-7

-7 is the constant

3 is the coefficient

x is the variable

Step-by-step explanation:

(3x^2)+(-7)

Graph please help x and y values

Answers

Answer:

(-5, 1)

Step-by-step explanation:

please help 8th grade math

Answers

Answer:

[tex]n \geq -\frac{-29}{28}[/tex]

Step-by-step explanation:

[tex]-3(1 - 7n) \geq -32 - 8n\\-3 + 21n \geq -32 -8n\\[/tex]

       +8n               +8n

[tex]-3 + 28n \geq -32\\+3 +3\\28n \geq -29\\/28 /28\\n \geq \frac{-29}{28}[/tex]

Pls help me I don’t know this :(

Answers

Answer:

B 25% I worked this out, tell me if it helped and plz mark Brainliest ^w^

Find the slope of the following line containing the following points (4,5) and (11,33)

Answers

The answer would be 4. You use the equation y2-y1/x2-x1 so you would have 33-5/11-4 which would equal 28/7which reduces to 4

Hope this helps.

A chemistry teacher has a flask of a 45% acidic solution and another bottle of 28% acidic solution.
How much would he need to use of each container to arrive at a final solution that is 100 mL of a 33.95% solution?

Answers

Answer:

35 ml of 28% acidic solution and 65ml of 45% acidic solution is to be used

Step-by-step explanation:

Let the number of ml of the 45% solution be x while that of the 28% solution be y

Mathematically;

x + y = 100 ••••••(i)

Furthermore

45% of x + 28% of y = 33.95% of 100

0.45x + 0.28y = 33.95 ••••••(ii)

From i,

x = 100-y

put this into ii

0.45(100-y) + 0.28y = 33.95

45 - 0.45y + 0.28y = 33.95

45 - 33.95 = 0.45y - 0.28y

11.05 = 0.17y

y = 11.05/0.17

y = 65

Recall

x = 100 - y

x = 100 - 65

x = 35 ml

The Chang family is on their way home from a cross-country road trip. During the trip, the function D(t) = 2,280 – 60t can be used to represent their distance, in miles, from home after t hours of driving.
What is the value of D(15)?

Answers

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[tex]D(t) = 2280 - 60t[/tex]

[tex]D(15) = 2280 - 60(15)[/tex]

[tex]D(15) = 2280 - 800[/tex]

[tex]D(15) = 1480[/tex]

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Answer:

1380

Step-by-step explanation:

d(t)=2280-60t

d(15)=2280-60(15)

2280-900

=1380

Nick buys 6 cupcakes and a bottle of water for $2. If he spent $20 in total how much was each cupcake

Answers

Answer:

3 dollars

Step-by-step explanation:

20 dollars is his total

$20-2 dollar water bottle=18

18 dollars divided by 6 cupcakes equals 3 dollars for each cupcake.

What is the GCF OR 24 and 34​

Answers

Answer:

Greatest Common Factor of 24 and 34 Greatest common factor (GCF) of 24 and 34 is 2.

Step-by-step explanation:

f(3) = 5x + 5, find f(-4)

Answers

Answer:

-15

Step-by-step explanation:

substitute -4 for x:

5(-4)+5

-20+5

= -15

What’s the equation of the line?

Answers

Answer:

x = -1/3+3

slope = -1/3

Step-by-step explanation:

simply this expression -7/10- (-5/3)

Answers

Answer:

1

I got it right on a test. Hope it works for you. :)

Answer:

-7/10- (-5/3)

-7/10 +(5/3)   [two consecutive negatives make a positive]

-21+50/30=29/30 or 0.96666666666

Solve 8 (a+4) + 4a = 36 + 8a

Answers

Answer:

Hi there

Your answer is

a=1

Step-by-step explanation:

8(a+4)+4a=36+8a

8a+32 + 4a = 36+8a

12a+32=36+8a

-8a

4a+32=36

-32

4a=4

/4

a=1

If f(x)=3x+2, what is f(5)
A. 1
B. 17
C. 13
D. 10

Answers

17 because 3 times 5 is 15 and then you add 2 which gives you 17

Austin is building a miniature replica of the empire state building. the actual empire state building is 1,423 feet tall and 6,000 feet wide. if Astin's replica has a width of 60 centimeters, what is the hight of his empire state building replica rounded to the nearest centimeter?

Answers

60/6000 = x/1423

100/1 = 1423/x

100x = 1423

x = 14.23 --> About 14 cm

what is -18+-90 i know im just answering it for you

Answers

Answer:

-18+(-90) = -18-90 = -108

Answer:-108

Step-by-step explanation:

10x + 9 – 6x = -19 what does x equal in this equasion

Answers

Answer: x = -7

.........................

Answer:

x = -7

Step-by-step explanation:

10x +9 -6x = -19

10x-6x = -19 -6

4x = -28

x = -7

Find the x and y intercept of the following equation 4x-10y=20

Answers

For the given linear equation we have:

y-intercept: y = -2x-intercept: x = 5.

How to find the intercepts for the linear equation?

Here we have a linear equation:

4x -10y = 20

First, let's find the y-intercept, this is the point with x = 0, so evaluating in that we get:

4*0 - 10y = 20

-10y = 20

y = 20/-10

y = -2

The x-intercept is what we get by evaluating in y = 0.

4x - 10*0 = 20

x = 20/4

x = 5

Learn more about linear equations:

https://brainly.com/question/1884491

#SPJ1

Which graph shows the result of dilating this figure by a factor of 4 about the origin?

Answers

Where’s the graphs? And dilating could mean getting smaller or bigger so it should not rotate or flip it should like it shrunk or grew

B is the answer just took the test

HELP ME WITH THIS IT IS REALLY HARD

Answers

Answer:

-3. 1/8  

Step-by-step explanation: it’s negative three and 1/8

What single transformation was applied to triangle A
to get triangle B?

Answer: translation

Answers

Answer:

Translation

Step-by-step explanation:

(11x-3) (4x+39) find x
​

Answers

Answer:

x=6

Step-by-step explanation:

Interpret the meaning of y-intercept in this context​

Answers

Answer:

Its 8

Step-by-step explanation:

This is the highest peak

Can anyone help me out with this one?

Answers

Answer:

HEy, dont every do tht

Step-by-step explanation:

Answer:

The value of X is 72

Step-by-step explanation:

corresponding angles

Use the Distance Formula to find the distance between (-1,4) and (4,1)

Answers

Answer:

[tex]\sqrt{34}[/tex] or 5.831

Step-by-step explanation:

Plug the coordinates into the formula and there's your answer.

solve the equation 2y + 5x = 4 for y



pls help

Answers

Answer:

-3

I think hope this helps.

Answer:

y = 2- [tex]\frac{5x}{2}[/tex]

Step-by-step explanation:

PLEASE HELP!!

For what value of x does 2x-4/x+7 = 1/3?

A. 33/5

B. 2

C. 19/5

D. -7​

Answers

Answer:

A i think

Step-by-step explanation:

1 Multiply both sides by 3x3x.

6{x}^{2}-12+21x=x6x

​2

​​ −12+21x=x

2 Move all terms to one side.

6{x}^{2}-12+21x-x=06x

​2

​​ −12+21x−x=0

3 Simplify  6{x}^{2}-12+21x-x6x

​2

​​ −12+21x−x  to  6{x}^{2}-12+20x6x

​2

​​ −12+20x.

6{x}^{2}-12+20x=06x

​2

​​ −12+20x=0

4 Use the Quadratic Formula.

x=\frac{-20+4\sqrt{43}}{12},\frac{-20-4\sqrt{43}}{12}x=

​12

​

​−20+4√

​43

​

​​

​​ ,

​12

​

​−20−4√

​43

​

​​

​​

5 Simplify solutions.

x=-\frac{5-\sqrt{43}}{3},-\frac{5+\sqrt{43}}{3}x=−

​3

​

​5−√

​43

​

​​

​​ ,−

​3

​

​5+√

​43

​

​​

​​

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