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belka [17]
2 years ago
5

Is -7-5+3=1 true or false

Mathematics
1 answer:
grigory [225]2 years ago
7 0
-7-5+3=1
-12+3=1
-9≠1. As a result, this is False. Hope it help!
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Anne pays cash for a Tv. The store owner gives her a 10% discount. She pays $702. How much was the price of the Tv before a disc
Whitepunk [10]

Answer:

$780

Step-by-step explanation:

P = Original Price

P (100% - 10%) = $702

P (90%) = $702

(P (.9)) / .9 = $702 / .9

P = $780

Check answer:

$780 (90%) = $702

6 0
2 years ago
8 (1/2x -1/4) > 12-2x
Deffense [45]

Answer:

x > 7/3

Step-by-step explanation:

Distribute by 8 first

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3 0
3 years ago
Write 2 numbers that round to 480 when rounded to the nearest 10.
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Step-by-step explanation:

First, 480 rounded to the nearest ten is:

480

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6 0
2 years ago
How many solutions are there in the given equation?<br> y = 2x² + 6x + 4
tigry1 [53]

Step-by-step explanation:

Use the quadratic formula

=

−

±

2

−

4

√

2

x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

x=2a−b±b2−4ac

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

2

2

+

6

+

4

=

0

2x^{2}+6x+4=0

2x2+6x+4=0

=

2

a={\color{#c92786}{2}}

a=2

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6

b={\color{#e8710a}{6}}

b=6

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c={\color{#129eaf}{4}}

c=4

=

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6

±

6

2

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⋅

2

⋅

4

√

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⋅

2

x=\frac{-{\color{#e8710a}{6}} \pm \sqrt{{\color{#e8710a}{6}}^{2}-4 \cdot {\color{#c92786}{2}} \cdot {\color{#129eaf}{4}}}}{2 \cdot {\color{#c92786}{2}}}

x=2⋅2−6±62−4⋅2⋅4

brainliest and follow and thanks

8 0
2 years ago
Evaluate 13-0.75w+8x when W=12and x =1/2.
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2 years ago
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