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ValentinkaMS [17]
3 years ago
9

5. Test the following statement to see if it is reversible. If so, choose the true biconditional.

Mathematics
1 answer:
Step2247 [10]3 years ago
8 0

Answer: I think the answer is D. Planes are parallels if and only if they don not intersect, hope this helps!!

Step-by-step explanation:

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A mountain path climbs 220 vertically before every 2500 feet horizontal what is the grade of the path
kramer
\bf slope=m=\cfrac{rise}{run}\implies \cfrac{220}{2500}\implies \cfrac{11}{125}
5 0
4 years ago
John and Nathan share a reward of $140 in a ratio of 2:5. What fraction of total
nydimaria [60]

Answer:

2/7

Step-by-step explanation

2+5 = 7

Fraction that goes to John = 2/7 of $140

Fraction that goes to Nathan = 5/7 of $140

5 0
4 years ago
set up and solve a system of equations to solve the problem The school band sells carnations on Valentine's Day for $3 each. It
sasho [114]

Answer:

Number of carnations = 6

Step-by-step explanation:

Let the number of carnations school band buys from florist be x.

Cost of each carnation = $0.50

Total cost for x number of carnations = $0.50x

Also , delivery cost = $15

So, total cost on buying x number of carnations from florist = 0.50x + 15

Now,

School band sells carnations at a price of $3 each.

Total revenue they get get after selling x number of carnations = $3x

We need to find that , when will the cost of the carnations be equal to the revenue from selling them.

i.e 3x = 0.50x + 15

or 3x - 0.50x = 15

or 2.50x = 15

or x = \frac{15}{2.50}

or x = 6

so on selling 6 carnations cost of carnation reach to the point where it is equal to revenue  


4 0
3 years ago
Divide £52 in the ratio 11:2
True [87]
First, get the sum of the ratio. (11 + 2 = 13)

Divide 52 by 13 to find one 'part' of the ratio. (52 ÷ 13 = 4)

Now that we have one 'part' of the ratio, we multiply it by 11 and 2 to get: (£4 × 11 = £44) and (£4 × 2 = £8).

The ratio will be £44:8.

We can check if this is correct by adding 44 and 8 to see if it adds up to 52. (44 + 8 = 52). It does, so it's correct.
6 0
3 years ago
5. Express log2 6 + log2 7 as a single logarithm.
denis-greek [22]
 When making two logarithms one logarithm you keep the base (in this case that would be 2) and multiply the two numbers (in this case 7 times 6 = 42) so the answer is

log(2) 42
5 0
3 years ago
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