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Semenov [28]
3 years ago
7

1. A submarine is 40 meters below sea level. It goes up 12 meters, then goes down 30 meters. What is the submarine's new positio

n relative to the sea level?
A - 82 meters
B - 70 meters
C. - 58
D 2 meters

2. A bakery uses 7.25 pounds of carrots to makes 5 cakes. LeBron wants to use the same recipe. How many pounds of carrots does LeBron need to make one carrot cake for his teammates?
Mathematics
1 answer:
expeople1 [14]3 years ago
7 0

Answer:

58

Step-by-step explanation:

The submarine is below the sea level by 40 meters. Then, it goes up by 12. That means 40-12=28. The submarine goes 30m down again which means 28+30=58

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Which of the following is equivalent to 140% (0.14, 5/7, 1 2/5, 1.4)
NISA [10]
The correct answer to the question is 1.4
7 0
3 years ago
This is for Pre-Calc, so please use Pre-Calc terms. You do not have to answer number 1. I have it done already. I need help ASAP
Dominik [7]

Answer:

17

Step-by-step explanation:

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6 0
3 years ago
If F(x) = log 5 2x, find F^-1(x). a. 5^y=2x b. 5^2y=x c. y = (5^x)/2
gregori [183]

Answer:

y = \frac{5^{x} }{2}

Step-by-step explanation:

y = log 5 2x

inverse ------> y=x

x = log 5 2y

5^{x} = 2y

y = \frac{5^{x} }{2}

4 0
3 years ago
Suppose y = 2x +10. Find y if x = -2.
liubo4ka [24]

If x = -2, y = 6.


To solve this quesiton, we need to find the value of y if x is equal to -2. We can do this by substiuting the value of x and then solving.


y = 2 (-2) + 10


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5 0
3 years ago
Read 2 more answers
A=1/2bh. A=200ft. H=10. What is b
Svetllana [295]

Answer:

B= \frac{2A}{H}

Step-by-step explanation:

If you noticed, A= \frac{1}{2}BH is the formula for finding the area for a triangle. Your goal is to get B by it's self. Your first step will be to clear of the fraction first, so you will multiply both sides by 2.   2(A)=2(\frac{1}{2}BH).    On the left, you have 2×A= On the right side, you have     2(\frac{1}{2}BH),     but since you have a number in the equation, you will only use 2×\frac{1}{2}. To solve  2×\frac{1}{2}, you will cnacel out both 2's and you have 1. 1×BH will still equal BH, so you are now left will B×H.

(Your new equation looks like this by the way).    2A=BH

Since you need to get B by its self, the way to clear the H away from the B is by dividing.  You will now divide the B and H aswell as 2A and H. (It will look like this) \frac{2A}{H} = \frac{BxH}{H} . (Again when you have the same number or letter, you cross it out. When you divide, you won't change anything on the left side, and all you have to do on the right id to cross out the H next to the B and cross out the H on the bottom of the equation). You should be left with \frac{2A}{H} = B. Now you can turn it around for your final answer. B= \frac{2A}{H}.

Please let me know if i helped, how I did, and if you have any questions.

3 0
3 years ago
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