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Luden [163]
2 years ago
9

Renaldo has a

Mathematics
1 answer:
Zarrin [17]2 years ago
3 0

Renal can buy a box that is $35

Step-by-step explanation:

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4x10^4 in standard notation
lyudmila [28]

Answer:

40000

Step-by-step explanation:

4×10^4 = 4×10000 = 40000

6 0
3 years ago
Read 2 more answers
Which of the following is algebraically equivalent to the sum of 4x^2 -8x +7 And 3x^2-2x-5
VARVARA [1.3K]

All you have to do, is combine like terms. Let's go through it:

(4x^2-8x+7)+(3x^2-2x-5)

Arrange it so you can easily combine like terms:

4x^2+3x^2-8x-2x+7-5 = 7x^2-10x+2

So, your answer for the sum is 1) 7x² - 10x + 2

5 0
3 years ago
A bicyclist travels at a constant speed of 18 mi/h. How long does it take the bicyclist to travel 90 mi
Stells [14]
If the bicyclists is traveling 18 miles every hour and needs to travel a sum of 90 miles, you need to divide 90/18 equaling the total time (in hours) needed to travel 90 miles. Hope this helps
6 0
3 years ago
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What is the slope of the line y= 1/2x + 1?
myrzilka [38]
The slope is 1/2! Right in the problem!

I hope this helped! Mark me Brainliest! :) -Raven❤️
6 0
3 years ago
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What are the solutions of the equation x4 + 6x2 + 5 = 0? Use u substitution to solve.
klio [65]

Answer:

x = i and x = i\sqrt{5}

Step-by-step explanation:

Given

x^{4} + 6x² + 5 = 0

Using the substitution u = x², then

u² + 6u + 5 = 0 ← in standard form

(u + 1)(u + 5) = 0 ← in factored form

Equate each factor to zero and solve for u

u + 1 = 0 ⇒ u = - 1

u + 5 = 0 ⇒ u = - 5

Convert solutions back into terms of x

x² = - 1 ⇒ x = \sqrt{-1} = i

x² = - 5 ⇒ x = \sqrt{-5} = i\sqrt{5}

4 0
3 years ago
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