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Paraphin [41]
2 years ago
12

For free points and a brainliest write an inequality that represents the description, and then solve. (Q5).Dave has $15 to spend

on an $8 book and no birthday cards (c) for his friends. How much can he spend on each card if he buys the same card for each friend?
(Q6).Toni can carry up to 18 lb in her backpack Her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books (b) weigh 3 lb each. How many books can she carry in her backpack?

we're using the greater than sign and the less than sign please help me solve this. ​
Mathematics
2 answers:
guapka [62]2 years ago
6 0

Answer:

$3.50 per card

Step-by-step explanation:

15 = 8 + 2x

x = 7 / 2

x = 3.50

gavmur [86]2 years ago
5 0

Answer:

each card cost = $3.5

Step-by-step explanation:

to spent $15 = $8 + 2cards

$15 = $8 + 2C

$15 - $8 = 2C

$7 = 2C

C = $7 / 2

C = $3.5

therefore each card cost = $3.5

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2 years ago
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Lelechka [254]
1. sqrt 52 = 7.211 rounds to 7

2. irrational number

3. sqrt 441 = 21....rational

4. 12^2 + 3^2 = h^2
    144 + 9 = h^2
     153 = h^2
      sqrt 153 = h
      12.4 = h <===

5. 6^2 + b^2 = 18^2
    36 + b^2 = 324
    b^2 = 324 - 36
    b^2 = 288
    b = sqrt 288
    b = 16.97 rounds to 17 <==

6. 39^2 + 52^2 = c^2
    1521 + 2704 = c^2
    4225 = c^2
    sqrt 4225 = c
    65 = c
    (39 + 52) - 65 = 91 - 65 = 26 miles shorter <==

7. 4^2 + b^2 = 16^2
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     b^2 = 256 - 16
     b^2 = 240
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8 0
3 years ago
Difference in elevation between mount Everest and Dead sea
Snowcat [4.5K]

The difference is 27, 735 ft


5 0
2 years ago
Read 2 more answers
The vertices of a triangle are A(0, 0), B(3, 8), and C(9, 0). What is the area of this triangle?
Harlamova29_29 [7]
Answer: 36 units squared.


Explanation:
Area of a traingle is given by,

| 0.5{x1(y2-y3) + x2(y3-y1) + x3(y1-y2)} |

Accepting the values of the coordinates in x's and y's,

x1 =0, y1=0

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x3 =9, y3=0

= | 0.5 × (-72)|
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8 0
3 years ago
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Ilia_Sergeevich [38]

Answer:

B= 40 degress

Step-by-step explanation:

1x+ 5xc /3xc = 40

8 0
2 years ago
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