3 years ago

Translate the algebraic expression

Mathematics

1 answer:

S_A_V [24]3 years ago

3 0

1. If the numbers are the same, 10n +n, or 11n
.. If the numbers are different, 10a +b

2. 5(a -b)

3. 5n = 15

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Pls help I’m going to get in trouble if I don’t finish this test<br> I will mark you as brainlist

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3 years ago

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Which equation has the same solutions as the equation given below?

Lapatulllka [165]

Answer:

Step-by-step explanation:

Also solved eveything

(x+9)^2=49

x^2+18x+81=49

x^2+18x+32=0

a=1, b=18 and c=32

x= (-18 +/- Sqrt (18^2-4×32))/2

x= (-18 +/- Sqrt (324-128))/2

x= (-18 +/- Sqrt (196))/2

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3 years ago

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Akimi4 [234]

Answer:

16.5

Step-by-step explanation:

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3 years ago

-16 + (-8)

nlexa [21]

-16 + (-8) = -24
(-4) - 7 = -11
-24 - (-9) = -15
6.25 + (-8.50) = 2.25
10.8 - (6.4) = 4.4
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6 0

2 years ago

If JK answered / of the Math questions correctly, how many points did she get in a 50- item test?

Fittoniya [83]

Answer:

JK got 30 answers correct on a 50 item test.

Step-by-step explanation:

It is given that:

Total items on test = T = 50

Fraction of total items that were answered correctly = 3/5

We simply have to multiply the total number of questions by the fraction of correct answers.

So,

The correct answered number of items are:

$= \frac{3}{5} * 50\\=30$

Hence,

JK got 30 answers correct on a 50 item test.

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3 years ago