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Marianna [84]
3 years ago
11

Please help i give brainliest

Mathematics
2 answers:
Marina86 [1]3 years ago
6 0

Answer:

all FALSE except 3 and 4

Step-by-step explanation:

Hope this helps

olchik [2.2K]3 years ago
3 0
1. True
2. True
3. False; two negative numbers multiplied equals a positive number
4. False; a negative number multiplied by a positive number equals a negative number
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4s - (s - 12) = 1- (1 - 6s)?
Nadusha1986 [10]

Answer:

s=-4

Step-by-step explanation:

  • combine like terms on each side and get 3s-12=6s
  • subtract 3s from both sides to get -12=3s
  • divide both sides by three and get s=-4
7 0
3 years ago
How to write 934 1/2 in scientific notation?
devlian [24]
9.35 times 10 to the second power
8 0
3 years ago
Is 3/5 and 6/8 proportional
balandron [24]
3/5 and 6/8 are not proportional as even though 3 goes into 6 evenly, 5 does not go into 8 evenly so that makes it disproportional.
3 0
3 years ago
Read 2 more answers
Please help me !!!!!!
navik [9.2K]

Answer:

The answer is the roman numeral ||.

Step-by-step explanation:

If you use the equation c = \sqrt{a^{2}+b^{2} you will find the only one that works is roman numeral ||. This equation is for right triangles.

8 0
3 years ago
In triangle ABC, side AB has a length of 8 cm and side BC has a length of 5 cm. If the triangle has an area of 10 square centime
Vesna [10]
Recall the following formula:

Given a triangle with side lengths a, b, and c. Let the measure of the angle between sides of length a and c be B.

Then, the area of the triangle is given by :

                                 Area= \frac{1}{2}\cdot a\cdot c \cdot \sin B.

 In our example we have: Area=10 square cm, a=8 cm, c=5 cm, and we want to find the measure of the angle between the 2 sides a and c.

Substituting in the formula we have:

10= \frac{1}{2}\cdot 8\cdot 5 \cdot \sin B

Thus, 10=20 \sin B, which means \sin B = \frac{1}{2}.

\frac{1}{2} is the sine of 30^{\circ}, but also 150^{\circ}.


Answer: both 30, and 150 degrees are possible
8 0
3 years ago
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