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Illusion [34]
3 years ago
8

Lindsey needs a jeweler to repair her earrings. Jeweler A is offering her services for an initial $130 in

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0
Set the 2 price equations equal to eachother and solve.
130+15x= 142+ 11x
They will be equal after 3 hours
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I really need help :)
iren2701 [21]

Answer:

Could anyone help me with this problem please?

What is one value that makes the fraction (x^2 + 11x +30)/(4x + 44x^2 + 120x) Undefined?

Need real help I'm so stressed out

Step-by-step explanation:

8 0
3 years ago
2. Let f(x) = 3x² -x+5, find f(x+1)​
Anna11 [10]

Answer:

f(x + 1) = 3x² + 5x + 7

Step-by-step explanation:

To find f(x + 1), substitute x = x + 1 into f(x), that is

f(x + 1) = 3(x + 1)² - (x + 1) + 5 ← expand (x + 1)² using FOIL

           = 3(x² + 2x + 1) - x - 1 + 5 ← distribute parenthesis by 3

           = 3x² + 6x + 3 - x - 1 + 5 ← collect like terms

           = 3x² + 5x + 7

8 0
3 years ago
Pls help I’ll mark brainliest
Serhud [2]
The awnser is option D
3 0
3 years ago
Read 2 more answers
Saving?
nikitadnepr [17]

Answer:

A man borrows * 8000

He agrees to repay with a total interest of 1360 in 12 monthly instalments.

Each instalment being less than the preceding one by * 40

                                                                      =  \frac{12}{1360} x 40

                                                                      = 12 x 34

                                                                      = 408 (Ans)

                                                             

7 0
3 years ago
The radius of circle A is 4 times greater than the radius of circle B. Which of the following statements is true?
Black_prince [1.1K]

Answer:

Correct answer: C.  Ca = 4 Cb

Step-by-step explanation:

Given: Ra = 4 Rb

Ca : Cb = ?

Using the following formula to calculate the circumference of a circle:

C = 2 R π

Cb = 2 Rb π

Ca = 2 Ra π = 2 ·( 4 · Rb) · π = 4 · (2 Rb π) = 4 · Cb

Ca = 4 · Cb

God is with you!!!

3 0
3 years ago
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