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BlackZzzverrR [31]
3 years ago
10

(Joel uses the incorrect expression 0.95(190)(0.8) to calculate his total. He finds that the tablet will cost him a total of $14

4.40. Describe his error and write the correct expression. question 1)
(How much will Joel pay for the tablet? question 2)
Mathematics
1 answer:
Bond [772]3 years ago
8 0
He had 53020 jdjwjsjuakdjdhw
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HELP!!!! WILL GIVE BRAINLIEST
sveta [45]

Answer:

b

Step-by-step explanation:

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2 years ago
at the library, you find 9 books on a certain topic. the librarian tells you that 55% of the books on this topic have been signe
e-lub [12.9K]
Multiply 9 books by 55% by doing

9 x .55 = 4.95

We can't have 4.95 books, though so it rounds down to 4 because you can't just add another .05.
8 0
3 years ago
Please help this is timed! I’ll give brainliest.
lakkis [162]

Answer:

a. Function 1

b. Function 3

c. Function 2, Function 3 and Function 4

Step-by-step explanation:

✔️Function 1:

y-intercept = -3 (the point where the line cuts across the y-axis)

Slope, using the two points (0, -3) and (1, 2):

\frac{y_2 - y_1}{x_2 -x_1} = \frac{2 -(-3)}{1 - 0} = \frac{5}{1} = 5

Slope = 5

✔️Function 2:

y-intercept = -1 (the value of y when x = 0)

Slope, using the two points (0, -1) and (1, -4):

\frac{y_2 - y_1}{x_2 -x_1} = \frac{-4 -(-1)}{1 - 0} = \frac{-3}{1} = -3

Slope = -3

✔️Function 3: y = 2x + 5

y-intercept (b) = 5

Slope (m) = 2

✔️Function 4:

y-intercept = 2

Slope = -1

Thus, the following conclusions can be made:

a. The function's graph that is steepest is the function whose absolute value of its slope is greater. Therefore Function 1 is the steepest with slope of 5

b. Function 3 has a y-intercept of 5, which is the farthest from 0.

c. Function 2, Function 3, and Function 4 all have y-intercept that is greater than -2.

-1, 5, and 2 are all greater than -2.

4 0
3 years ago
Express 24.357 in words.<br> Write the expanded form using fractions or decimals.
Lelechka [254]

Answer:

Twenty-four and three hundred fifty-seven thousandths.

Step-by-step explanation:

The expanded form of 24.357 in decimals is 24.3757 because it is already in it's decimal form.

The expanded form of 24.357 in fractions is 24.357. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction:\frac{24357}{1000}.

4 0
3 years ago
Simplify the following surd expressions
olasank [31]

Answer:

<h2>see the answers ⤵️</h2>

Step-by-step explanation:

<h3>to understand the solving steps you need to know about</h3>
  • algebra
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<h3>adding or subtracting with redical experience is nothing but algebraic addition or subtraction</h3><h3>let's solve:</h3>

a)7 \sqrt{3}  - 2 \sqrt{3}  +  \sqrt{3}  - 3\sqrt{3}  \\ 8 \sqrt{3}  - 5 \sqrt{3}  \\ 3 \sqrt{3}

b)5 \sqrt{7}   + 4 \sqrt{7}   - 8  \sqrt{7}  \\ 9 \sqrt{7}  - 8 \sqrt{7}  \\  \sqrt{7}

6 0
3 years ago
Read 2 more answers
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