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Vlad [161]
3 years ago
14

Joanne has a cell phone plan that charges a flat rate of $97 and $0.10 for every text she sends. Her goal is to spend less than

$113 on her phone bill each month. Which of the following describes the number of texts she sends? A) at least 160 B) no more than 160 C) fewer than 160 D) more than 160
Mathematics
2 answers:
oksian1 [2.3K]3 years ago
6 0
Now let's see 10 cents a text .10x10 that's a dollar and her flat rate is $97 she wants to spend less than $113 so she has $16 she can use for text if u subtract the amount she wants to stay under and the flat rate so now it's simple multiply 16x.10=160 so your answer is B
Crank3 years ago
4 0
I think its answer C
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5. Mis the midpoint of CD. C has coordinates (-1,-1) and
lana66690 [7]

Answer/Step-by-step Explanation:

4. Midpoint (M) of AB, for A(-2, -3) and B(1, 2) is given as:

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Let A(-2, -3) = (x_1, y_1)

B(1, 2) = (x_2, y_2)

Thus:

M(\frac{-2 + 1}{2}, \frac{-3 + 2}{2})

M(\frac{-1}{2}, \frac{-1}{2})

5. Given M(3, 5) as midpoint of CD, and C(-1, -1),

let C(-1, -1) = (x_2, y_2)

D(?, ?) = (x_1, y_1)

M(3, 5) = (\frac{x_1 +(-1)}{2}, \frac{y_1 +(-1)}{2})

Rewrite the equation to find the coordinates of D

3 = \frac{x_1 - 1}{2} and 5 = \frac{y_1 - 1}{2}

Solve for each:

3 = \frac{x_1 - 1}{2}

3*2 = \frac{x_1 - 1}{2}*2

6 = x_1 - 1

6 + 1= x_1 - 1 + 1

7 = x_1

x_1 = 7

5 = \frac{y_1 - 1}{2}

5*2 = \frac{y_1 - 1}{2}*2

10 = y_1 - 1

10 + 1= y_1 - 1 + 1

11 = y_1

y_1 = 11

Coordinates of D is (7, 11)

7 0
3 years ago
Write the equation of the line that passes through (-1, 11) and (3, -5)
Genrish500 [490]

Answer:

y= -4x+7

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Let's find the gradient of the line first.

gradient =  \frac{y1 - y2}{x1 - x2}

Using the above formula,

m =  \frac{11 - ( - 5)}{ - 1 - 3}  \\ m =  \frac{11 + 5}{ - 4}  \\ m =  \frac{16}{ - 4}  \\ m =  - 4

Susbt. m= -4 into the equation:

y= -4x +c

Subst. a coordinate to find c.

When x=3, y= -5,

-5= -4(3) +c

-5= -12 +c

c= 12 -5

c=7

Thus the equation of the line is y= -4x +7.

8 0
3 years ago
. Draw a quadrilateral. Measure all the angles in the quadrilateral.​
kolbaska11 [484]
<h3>Step-by-step explanation:</h3>

Quadrilateral are four sided shapes. e.g

There are 2 sides in a quadrilateral and each of them are 180° shown above. Angles in a quadrilateral add up to 360°.

For example: The example is shown in the picture above.

4 0
1 year ago
Three boys share 28 toy cars equally. How many cars did each boy get and how many were left over
yulyashka [42]
Divide 28 by 3 and count how many are left over.

28 / 3 = 9 1/3

So each boy had 9 toy cars, and because you can't have 1/3 cars, you round 1/3 to 1. So there was 1 left over car.
6 0
3 years ago
Read 2 more answers
- Trisha is making flags with 40 5/16 yards of fabric. If each flag requires 3 1/8 yards, how many flags can she make?​
Westkost [7]

Answer:

She can make 13 flags

Step-by-step explanation:

40 5/6 divided by 3 1/8

245/6 divided by 25/8

245/6 x 8/25

Use cancellation for a more simplified result

49/6 x 8/5

49/3 x 4/5 = 196/15 = 13 1/15

She can make 13 flags

4 0
2 years ago
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