3 years ago

HELP!!! WILL MARK AS BRAINYEST

Mathematics

1 answer:

Stels [109]3 years ago

7 0

use Photo math it helps me a lot

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A cab ride from your home to the airport cost $23.47. If you want to tip the cab driver close to 10 percent of the fare, how muc

Anna71 [15]

To find 10% of a number, move the decimal point one place to the left.

$23.47 becomes $2.347

The closest answer is C $3

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3 years ago

Find the measure of each angle indicated 12,13,14

sp2606 [1]

Answer:

Step-by-step explanation:

12. 15 (3x5x1)

13. 8 (4x2x1)

14. 18 (6x3x1)

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Answer:

Step-by-step explanation:

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4 years ago

Read 2 more answers

Which of the following is the graph of the quadratic function y - x? +10x+16 ?

Assoli18 [71]

Find the vertex:

$\textrm{Use the formula } \frac{-b}{2a} \textrm{ to find the vertex}\\ \\ \frac{-10}{2} = -5\\ \\ \textrm{In order to find the y value plug in -5 back into the function}\\ \\ y=(-5)^2+10(-5)+16\\ y=-9\\\\ \textrm{The vertex of the function is} (-5,-9)$

Determine if the parabola will open up or down:

$a > 0 \\ \\ 1>0$

Since the value of a is positive, the parabola will open upwards

Find the x and y intercepts:

Factor $y = x^2+10x + 16$ to find the x intercepts

(x+8)(x+2)

x + 8 = 0

x = -8

x + 2 = 0

x = -2

x intercepts:

x = -2

x = -8

Find the y intercept

$y = 0^2+10(0) + 16\\\\ y=16$

Hence, C. Graph A best represents the quadratic function $y = x^2+10x + 16$

6 0

3 years ago

Colin received a bonus check for 2,500$. He is going to deposit the money into his bank account that receives 5.5% simple intere

alex41 [277]

This is the concept of financial mathematics, the simple interest rate is given by:
S.I.=(PRT)/100
where:
P=principle=$2500
R=rate=5.5%
T=time=1 year
Hence;
S.I.=(5.5*2500.1)/100
=$137.5
Thus the total amount he had after 1 year will be:
2500+137.5
=$2,637.5

6 0

3 years ago