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Lisa [10]
4 years ago
7

Please answer please :)

Mathematics
2 answers:
KatRina [158]4 years ago
8 0
First one is 32.2 and the second one is -32.34
Licemer1 [7]4 years ago
4 0
39.4 + (-7.2) = 32.2

3.9 - 36.24 = -32.24

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Write the following numbers in expanded notarion: a. 100 005. b. 84 016. c. 9 078. d. 113. e. 75.​
shusha [124]

Answer:

Step-by-step explanation:

a. 100005

1 x 1000000 + 0 x 100,000 +  0 x 10000 + 0 x 1000 + 0 x 100 +  0 x 10 + 5 x1

1 x 10^6  + 0  x 10^5  + 0 x 10^4  + 0 x 10^3 + 0 x 10^2 +  0 x 10^1  + 5 x 1

= 100,000 + 0 + 0 +0 +0 + 5

b.  84016

 8 x 10000 + 4 x 1000 + 0 x 100 + 1 x 10 + 6 x 1

80000 + 4000 + 0 + 10 + 6

c. 9078

9 x 1000 + 0 x 100 + 7 x 10  + 8 x 1

9000 + 0 +7 + 8

d. 113

1 x 100 + 1 x 10 + 3 x 1

100 + 10 + 3

e. 75

7 x 10 + 5 x 1

70 + 5

6 0
2 years ago
In ∆ABC the angle bisectors drawn from vertices A and B intersect at the point D. Find m∠ADB if
Svetllana [295]

Answer: ∠ABD =  \bold{\frac{1}{2}}∠C

<u>Step-by-step explanation:</u>

\angle A + \angle B + \angle C = 180^o\\\\\dfrac{1}{2}\angle A+\dfrac{1}{2}\angle B+\angle D=180^o\\\\\\\text{Solve the system by multiplying the second equation by -2}\\\angle A + \angle B + \angle C = 180^o\\\underline{-\angle A - \angle B - 2\angle D = -180^o}\\.\qquad \qquad \quad \angle C-2\angle D=0\\.\qquad \qquad \qquad \qquad \angle C=2\angle D\\.\qquad \qquad \qquad \quad \dfrac{1}{2}\angle C=\quad \angle D\\

8 0
3 years ago
Find the LCD of the following list of fractions. --14/10, -12/b
muminat
If I read your post properly, the two fractions are -14/10 and -12/b.

The LCD is found by finding prime factors of each term, then collecting the ones that appear the most.

10 = 2 x 5
b = b

2 x 5 x b = 10b
6 0
3 years ago
The rational number lies between −67/7 and−78/8
zheka24 [161]

9514 1404 393

Answer:

   -135/14

Step-by-step explanation:

There are an infinite number of rational numbers between any pair of numbers you name. These two number have the decimal values ...

  -67/7 = -9 4/7 = -9.571428... (repeating)

  -78/8 = -9 3/4 = -9.75

So, numbers like -9.6 = -48/5, or -9.7 = -97/10 are rational numbers that lie in the range you specified.

If you like, you can convert these numbers to ones with a common denominator (56).

 -67/7 = -536/56

 -78/8 = -546/56

These limits suggest several possible rational numbers with 56 as a denominator: -540/56 = -135/14, for example.

7 0
3 years ago
Stella is making a juice-mix that uses apple juice and pomegranate juice in a 5:8 ratio. Which all of the following
SCORPION-xisa [38]

Answer:

She should buy some good quality juice so she can sell it and buy Chandler a ostrich.

Step-by-step explanation:

7 0
3 years ago
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