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3 years ago

Which choice is similar to the figure shown? Please help I’m confused on what to do.

Mathematics

2 answers:

Charra [1.4K]3 years ago

5 0

Answer:

it first one...............bcuz the figure given has 1:4 ratio...2/8 is 1/4....

and 1st option has 5/20 which is also 1/4

Korolek [52]3 years ago

3 0

I would want to say D the last one

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Well I'm having troubles with something I have no idea what it is or how to do it. The problem is x^2 -18x+8=0. I only know how

Lubov Fominskaja [6]

Answer:

$x = \frac{-(-18) -\sqrt{(-18)^2 -4*1*8}}{2} = \frac{18 -2 \sqrt{73}}{2}= 9 -\sqrt{73}$

$x = \frac{-(-18) +\sqrt{(-18)^2 -4*1*8}}{2} = \frac{18 +2 \sqrt{73}}{2}= 9 +\sqrt{73}$

Step-by-step explanation:

We have the following equation:

$x^2 -18 x +8 =0$

We can use the quadratic formula given by:

$x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}$

Where:

$a = 1 , b=-18, c =8$

And replacing we got:

$x = \frac{-(-18) -\sqrt{(-18)^2 -4*1*8}}{2} = \frac{18 -2 \sqrt{73}}{2}= 9 -\sqrt{73}$

$x = \frac{-(-18) +\sqrt{(-18)^2 -4*1*8}}{2} = \frac{18 +2 \sqrt{73}}{2}= 9 +\sqrt{73}$

6 0

3 years ago

Look at points C and D on the graph:

Digiron [165]

5.66 is the answer
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7 0

4 years ago

Read 2 more answers

Katie runs on day 1 8/1/8 mile and on day 2 she runs 4/3/8. how many more miles did she run on Day 1 than Day 2?

Otrada [13]

8 1/8 - 4 3/8 = 3 6/8

3 0

3 years ago

Read 2 more answers

What is the inverse of the function f(x)=4x^2

horrorfan [7]

Answer: 5

Step-by-step explanation:

To find the inverse, interchange the variables and solve for

−

(

)

6 0

3 years ago

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Juan and lizzy are in the final week of their training for a marathon

MariettaO [177]

Answer:

Part A: Geometric sequence

Part B: Arithmetic sequence

Part C: Lizzy is better prepared for the marathon because she trained 133 miles and Juan 127.

Complete statement and questions:

Juan and Lizzy are in the final week of their training for a marathon. Juan's goal is to run one mile on the first day of the week and double the amount he runs each day for the next six days. Lizzy's goal is to run 10 miles on the first day of the week and increase the amount she runs by 3 miles each day for the next six days.

Part A: Juan's marathon training schedule is an example of a(n):

Arithmetic sequence

Geometric sequence

Part B: Lizzy's marathon training schedule is an example of a(n):

Arithmetic sequence

Geometric sequence

Part C: Which person do you believe will be better prepared for the marathon? Explain.

Source:

Question that can be found at e-eduanswers dot com. Can't write the exact URL because brainly will block it.

Step-by-step explanation:

Part A: Juan's marathon training schedule is an example of a(n):

Arithmetic sequence

Geometric sequence

First day: 1 mile
Second day: 2 miles
Third day: 4 miles
Fourth day: 8 miles
Fifth day: 16 miles
Sixth day: 32 miles
Seventh day: 64 miles
Total miles : 127 miles

Part B: Lizzy's marathon training schedule is an example of a(n):

Arithmetic sequence

Geometric sequence

First day: 10 miles
Second day: 13 miles
Third day: 16 miles
Fourth day: 19 miles
Fifth day: 22 miles
Sixth day: 25 miles
Seventh day: 28 miles
Total miles : 133 miles

Part C: Which person do you believe will be better prepared for the marathon? Explain.

Lizzy is better prepared for the marathon because she trained 133 miles and Juan 127.

5 0

3 years ago