Mathematics High School

- The zoom feature on a camera lens allows you dilate what appears on the display. When you change from
100% to 700%, the new image on your screen is an enlargement of the previous image with a scale factor of
7. If the new image is 70 millimeters wide, what was the width of the previous image?
a. 245 millimeters
35 millimeters
b. 490 millimeters
d. 10 millimeters
c.

Answers

Answer 1

Answer:

d. 10 milimeters

Step-by-step explanation:

Answer 2

Answer:

10 milimeters

Step-by-step explanation:

100/700 = x/70

x = 10

Related Questions

well i still don get it whats the difference between 8 fourty seven and 7 fourty seven

Answers

Given : the difference between 8 forty-sevens and 7 forty-seven.

To find : Solve it.

Solution : We have given a statement

Difference between 8 forty-sevens and 7 forty-seven.

8 forty-sevens mean 847

7 forty-seven mean 747

Difference between them is

847 - 747 = 100.

Therefore,100.

Find the value of 4n when n=3

Answers

Answer:

13

Step-by-step explanation:

4 * 3 = 12

4 multiplied by 3 is 12, so the answer is 12

50/20 equals 20 over X​

Answers

Answer:

50/x

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

cross multiply:

50*x = 20*20

50x=400

divide by x (50)

50x/50 = 400/50

x=8

the reciprocal of 9/10

Answers

Answer:

10/9

Step-by-step explanation:

The reciprocal is just flipping the fraction

What is the circumference of a circle whose radius measures 9 inches?

Answers

The circumference is 56.52 , because you have the radius which is 9 but you need to find the diameter to do that you need to multiply 9 times 2 and it gives you 18 and then you just multiply it my pi and the value of pi is 3.14 and then the last step is it multiply 3.14 times 18 and it gives you 56.52

pls i need help 21÷3+(3×9)×9+5​

Answers

Answer:

that will be 225 ... I think

this is the question please help.​

Answers

the third option..!!

Find the slope of the line through the given points.
(-2,7) and (2,-5)

Answers

Answer:

y = -3x + 1

Step-by-step explanation:

hope this is right!

11 divided by 3 as a mixed number

Answers

Answer:

3 2/3

Step-by-step explanation:

help pleaseee with this and the other ones

Answers

Answer:

x=8+√59 or x=8−√59

Step-by-step explanation:

For this equation: a=1, b=-16, c=5

1x2+−16x+5=0

Step 1: Use quadratic formula with a=1, b=-16, c=5.

x=

−b±√b2−4ac

2a

x=

−(−16)±√(−16)2−4(1)(5)

2(1)

x=

16±√236

2

x=8+√59 or x=8−√59

In a soup kitchen, 22 pounds of rice was used during the lunch. If 110 people came to have lunch, about how many pounds of rice was used by each person?

Answers

Answer:

0.2 pounds of rice

Step-by-step explanation:

To find how much rice was used by each person, divide 22 by 110

22/110

= 0.2

So, each person used 0.2 pounds of rice

Which is equivalent to 644 ?
6442
O 244
O 4
O 16
O 164/4

Answers

Answer:

I belive it would be A

Step-by-step explanation:

The equivalent of 64/4 is 16

How to determine the equivalent?

The expression is given as:

64/4

Evaluate the quotient of 64 and 4 i.e. divide 64 by 4

64/4 = 16

Hence, the equivalent of 64/4 is 16

Read more about equivalent expressions at:

https://brainly.com/question/2972832

PLEASE HELPP!!!!! PLSSSSSSSSSS

Kerri Ann's baby sister was 15 pounds at her last check up. This is a 25% increase
from birth. How much did her baby sister weigh at birth?

Answers

she weighted 11.25 pounds x

Answer:

18.75

Step-by-step explanation:

What is the difference between the absolute value of -8 and the absolute value of 6?

A) 2
B) 8
C) 14
D) 16

Answers

The answer is A (2).

Mary bought a 7lb bag of flour. She used 1/3 of the bag to bake wedding treats.

Answers

Answer:

she is left with 4.67 LB of flour.

Step-by-step explanation:

7 divided by 3 = 2.3333333

2.3333333 x 2 = 4.67

Solve the system of equations using elimination. SHOW WORK!!!!!!!!!!!!!

15q – 4r = 62
5q + 8r = 86

Answers

q= 6

r= 7

work--

Multiply 1st column by -2:

-30q+8r=-124

5q+8r=86

Subtract 2nd column from the first column:

-35q= -210

Solve for q:

q=6

Subtract q=6 by any of the two equations, so:

-30q+8r=-124

-30*6+8r=-124

Solve for r:

r=7

That person is correct! Good luck

Plz help due tomorrow

Answers

Answer:

20.5+10x

Step-by-step explanation:

write the equation for the line that goes through point (12, 15) with slope m = -2​

Answers

Answer:

Y=5\4x

Step-by-step explanation:

gradient is given by ∆y/∆x

g=5/4

Y=MX+C

15=5/4(12)+c

15=15+c

C=0

y=mx+c

y=5\4x

10+20=2(5+___what that’s all I need help on this please

Answers

10 because 2x10 is 20

What is the GCF of 2x2 + 4x + 8?

Answers

Answer:

2

Step-by-step explanation:

[tex]2x^2 + 4x + 8 \\ \\ = 2( {x}^{2} + 2x + 4) \\ \\ \implies gcf = 2[/tex]

2

Step-by-step explanation:

<3 i got it right

which of the following graphs shows a linear function?​

Answers

Answer:

The last one

Linear function basically means that theres a straight line there that does not curve or change direction

Answer:

D (the last choice)

Step-by-step explanation:

This would be a linear function because it is the only one that is a straight line.

find value of x. write your answer in simplest radical form ​

Answers

7 √2.

Step-by-step:

I used the Pythagorean theorem.
Then I simplified √98 to 7 √2.

8x + 6 – 7x = 6
I need some help

Answers

Answer: x = 0

Step-by-step explanation:

Help me please. need quickly. What is the value of Z

Answers

Answer:

z = 6

Step-by-step explanation:

[tex]8z-36=2z\\6z-36=0\\6z=36\\z=6[/tex]

please help!! i'll give you brainliest, 5 stars, and a thanks

Answers

Answer:

2.25 I think

Step-by-step explanation:

Answer:

to find the answer out you need to find out 2/3 of $4.50 and to do that divide it by three. once you have figured that out multiply it by 2 and you will get your answer

Step-by-step explanation:

see above

A=6 b=4 c=1/3 what is 9c

Answers

Answer:

9c=3

Step-by-step explanation:If c=1/3      9/3=3

HELP PLS ASAP!!!!!!!!!!

Answers

Answer:

ima say 43

Step-by-step explanation:

its hard but look the caculate it

show work if can

Simplify the expression:
(3g - 8) - (2g - 1)

Answers

Answer:

g+-7

Step-by-step explanation:

Let's simplify step-by-step.

3g−8−(2g−1)

Distribute the Negative Sign:

=3g−8+−1(2g−1)

=3g+−8+−1(2g)+(−1)(−1)

=3g+−8+−2g+1

Combine Like Terms:

=3g+−8+−2g+1

=(3g+−2g)+(−8+1)

=g+−7

Answer:

[tex]g - 7[/tex]

Step-by-step explanation:

1. Remove parentheses.

[tex]3g - 8 - 2g + 1[/tex]

2. collect like terms.

[tex](3g - 2g) + ( - 8 + 1)[/tex]

3. Simplify.

[tex]g - 7[/tex]

therefor, the answer is g - 7

cant use thisqwdwiwied

Answers

Answer:

ooffffffffffff have a good day/night lol

Answer:

What?? lol

Step-by-step explanation:

Will mark brainliest! help asap! Don’t scam

Answers

(-8,-16) I believe ....
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