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ololo11 [35]
3 years ago
7

What is 7.9 × 103 in standard form?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0
The answer is 813.7 your welcome
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Can someone please give me the answers<br><br> (I’ll be giving brainliest)
Andre45 [30]
I think it's the first three.
-7.5 < -7
-4 < -3
-0.5 < -1
(those are the inequalities after i put each of the values for x in the original equation)
8 0
2 years ago
What’s the answer to -7(x-4) =63
choli [55]

-7(x-4) = 63. Divide each side by -7.

x - 4 = -9. Add 4 to each side.

x = -5

3 0
3 years ago
Read 2 more answers
Translate the Verbal phrase into a Math Expression: Four more than twice a number
alukav5142 [94]

Answer:

2x+4 or 4+2x

Step-by-step explanation:

3 0
3 years ago
X^2+10x+19=0 complete the square PLEASE EXPLAIN
wlad13 [49]

Answer:

Step-by-step explanation

In the form ax^2+bx+c

a x c should equal two factors of b

However, in this equation

1 x 19 has no factors that = 10

so you must use the Quadratic Formula which is,

x = \frac{-b+-\sqrt{b^2-4ac} }{2a}

so the answer should be

x = \frac{-10+-\sqrt{10^2-4(1)(19)} }{2(1)}

x = \frac{-10+-\sqrt{24} }{2}

x = \frac{-10+2\sqrt{6} }{2}      and    x = \frac{-10-2\sqrt{6} }{2}

8 0
2 years ago
Which of the following numbers are greater than or equal to 4/7? Is it 2/5, 0.57, or 2/3. Use explanation why.
Sergeeva-Olga [200]

Answer:

2/3

Step-by-step explanation:

2/5=0.4 and 4/7=0.571428

0.57<0.571428

---------------------------

2/3=0.6667

which is greater than or equal to 4/7

5 0
3 years ago
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