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lara [203]
2 years ago
13

True or false: if a > b then ac > bc

Mathematics
1 answer:
Ket [755]2 years ago
6 0

Answer: true

Step-by-step explanation:

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A coin is flipped 10 times and lands on heads 8 times. The theoretical probability that the next coin flip will be heads is 50%.
Daniel [21]

Answer:

true

Step-by-step explanation:

the fact that it landed on heads a lot is just luck. its still a 50 50 chance that its gonna land on tales or heads.

7 0
3 years ago
Read 2 more answers
A family of 2 adults and 3 children went out to dinner. The total bill was $42. Each child's dinner cost $4. How much did each a
Yanka [14]

Answer: Each adult’s meal costed $15

Step-by-step explanation:

This situation can be modeled by the following equation:

2a + 3c = 42, where a = the cost of an adult’s meal, and c = the cost of a child’s meal


Since we know from the problem that a child’s meal costs $4, we know c:

2a + 3(4) = 42


At this point, we can just solve the resulting equation for a:

2a + 3(4) = 42

= 2a + 12 = 42 (simplify 3(4))

= 2a = 30 (subtract 12 from both sides)

= a = 15 (divide both sides by 2)


So, the cost of each adult’s meal was $15.


8 0
2 years ago
A number cube is rolled and a spinner is spun. Find the probability. The spinner has five sections. 3 sections have the letter B
aliya0001 [1]

https://www.steilacoom.k12.wa.us/cms/lib4/WA01001786/Centricity/Domain/490/Probability%20Notes%20Answers.pdf



this should have every thing on it hope it helps

8 0
3 years ago
A . 7 1/4<br> B . 7 2/3 <br> C. 10<br> D. 10 1/2 <br> E. 10 1/4
Arada [10]
Hello!

You start with 13 1/4 inches of steel

You cut 2 3/4

So yo subtract these two

13 1/4 - 2 3/4 = 10 2/4

Then you cut 3 1/4 inches off

You subtract these as well

10 2/4 - 3 1/4 = 7 1/4

The answer is 7 1/4

Hope this helps!
3 0
3 years ago
What is the approximate measure of angle T in the triangle below 79° 84° 96° 101°
Anestetic [448]

The approximate measure of angle T in the given diagram is 79°. The correct option is the first option 79°

<h3>Law of Cosines</h3>

From the question, we are to determine the approximate measure of angle T

From the law of cosines, we can write that

cosT = (s² + u² - t²)/2su

From the diagram,

s = 3.9 cm

u = 2.7 cm

t = 4.3 cm

Thus,

cosT = (3.9² + 2.7² - 4.3²)/2(3.9)(2.7)

cosT = (15.21 + 7.29 - 18.49)/21.06

cosT = 4.01/21.06

cosT = 0.1904

T = cos⁻¹(0.1904)

T = 79.02°

T ≈ 79°

Hence, the approximate measure of angle T in the given diagram is 79°. The correct option is the first option 79°

Learn more on Law of Cosines here: brainly.com/question/28081595

#SPJ1

4 0
1 year ago
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