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natulia [17]
3 years ago
14

Use the intersect method to solve the equation. x² - 1 = -x²+7

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0

Answer:

x= 2,-2

Step-by-step explanation:

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(15) ? Is this correct or am I missing something, thanks :)
svetoff [14.1K]
You are correct!

Step 1:Write what you know
Madeline's Height: 6 ftMadeline's Shadow: 108 in
Friend's Height: X (we use X as a variable because his height is unknown)Friend's Shadow: 108 in - 1.5 ft                              108 in - 18 in                                 90 in
Step 2:Set up proportions
6          x----- = -----108      90 
Step 3:Cross Multiply & Solve
108x = 540x = 5 ft tall

4 0
2 years ago
I need help with the first question
Fudgin [204]
25% of the students like football
8 0
3 years ago
Read 2 more answers
Do many fishermen collect worms at night?
stealth61 [152]
The question actually relates to finding the direct object in the sentences given.
In the first sentence, the direct object is "worms". The correct option among all the options that are given in the question is the third option or option "C".

In the second sentence, the direct object is "worms". <span>The correct option among all the options that are given in the question is the first option or option "A".

In the third sentence, the direct object is "worms". </span><span>The correct option among all the options that are given in the question is the third option or option "C".</span>
6 0
3 years ago
The radius of a circle is 9 feet. What is the circumference?
Vlad1618 [11]

Answer: 18\pi

Step-by-step explanation:

The circumference formula is C= 2\pir

r being the radius, so you can just plug in.

C= 2\pi(9) = 18\pi

7 0
3 years ago
A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 120 feet per secon
nikklg [1K]

Exactly as written (Apex)

225 - 229

8 0
3 years ago
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