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galben [10]
2 years ago
9

1. A- (-15) ÷ (-16 + 1) B- [(-10) + 5] ÷ [ 20 + (-15)] 2nd question is in the pic

Mathematics
1 answer:
vodomira [7]2 years ago
6 0

Answer:

Step-by-step explanation:

1A    

SOL:

            =-15 ÷ -15

            =1 ANS

B:

SOL:

       = -5÷5

       = -1 ANS

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8. Solve the following triangle for all missing sides and angles.
vova2212 [387]

Answer:

Parte1 :

∡B= 180 - (42 + 83)= 55°

Parte2 :

Using the law of sines : \frac{sin 42}{a} = \frac{sin 55}{175} ⇔ a = sin42 \frac{175}{sin 55} ⇔ a= 142.95

Parte3 :

Using the same law : c = sin 83\frac{a}{sin 42}  or  c= sin 83\frac{175}{sin 55}  ⇔ c= 212.04

7 0
3 years ago
What is 12.38 expanded in form
Lana71 [14]
12.38 in expanded form is write like:-

10 + 2 + .3 + .08 = 12.38

To write a number in expanded form just means to write the number in a layout and when you add it up it will become the number you needed to write in expanded form. 

So, 12.38 written in expanded form is:- 10 + 2 + .3 + 0.8

Hope i helped
3 0
4 years ago
Read 2 more answers
Can a -150/10 be classified as both a rational number and a integer
irakobra [83]
Yes! This is because -150/10 can be simplified to be -15, which is a rational number.

The word “rational” sounds like another math word you’ve heard of before. Do you know what it is?

Well, it’s “ratio”!! Ratios can be seen in the forms x:y and x/y.


ANY RATIONAL NUMBER HAS THE ABILITY TO BE WRITTEN AS A RATIO!! This will completely exclude numbers with super long decimal points (ex: 1.2345678809928374737272828...)

This number also meets the requirements of being an integer. An integer is any whole number (this excludes decimals and fractions)

I know it’s written as a fraction. However, the fraction could be simplified, making it -15, which means this is both a rational number and an integer!!
6 0
3 years ago
Give two ways to write the expression as a phrase 6+p
Otrada [13]
A number(p) plus six
six plus a number(p)
5 0
3 years ago
Daniel works at a nearby electronic store he makes a commission of 15% on everything he sells if you saw the laptop for $293 how
weqwewe [10]
He makes commission of 15% on everything he sells.....so if he sells 293 worth of stuff, then he would make 15% of 293

15% of 293.....turn ur percent to a decimal..." of " means multiply
0.15 * 293 = 43.95 <==
8 0
4 years ago
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