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zubka84 [21]
3 years ago
10

Can someone pleaseee help me?? I will give brainliest

Mathematics
2 answers:
lbvjy [14]3 years ago
7 0

Answer:

7:8

Step-by-step explanation:

It is 14:16 but you divide by 2 and get 7:8

notsponge [240]3 years ago
4 0

Answer:

the answer is 7:8

Step-by-step explanation:

7:8 is just another way of writing 14:16 (beacuse 16:14 would mean that there are 16 tacos and not 14 like there really is)

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Peter is renting two kinds of rafts for a vacation company. One type seats 3
Nady [450]

Answer:

Peter rents 6 of the rafts seating 3 people, and 7 of the rafts seating 5 people.

Step-by-step explanation:

Let x denote the number of rafts seating 3 people and y the number of rafts seating 5 people. The total number of rafts is 13, so x+y=13. We can also assume that every raft is filled to the brim (it isn't stated explicitly though, but it's probably the intention of the question maker), so 3x+5y=53.

It's always a good idea to put these equations under each other:

\left \{ {{x+y = 13} \atop {3x+5y=53}} \right.

We can subtract the first equation three times from the second one to obtain (3x+5y)-3(x+y) = 53 - 3(13)\\3x-3x + 5y - 3y = 53 - 39\\2y = 14\\y=\frac{14}{2} = 7

Now, substitute this found value for y into x+y = 13 and we see that x=6. We are now done: Peter rents 6 of the rafts seating 3 people, and 7 of the rafts seating 5 people.

5 0
3 years ago
Choose the graph which represents the solution to the inequality 12x + 4 < -8
PtichkaEL [24]

Answer:

x<-1

Step-by-step explanation:

8 0
3 years ago
Does 20, 40, 30 form a pythagorean triple
Tatiana [17]

Answer:

Step-by-step explanation:

If it is a Pythagorean Triple the hypotenuse and the legs of a right triangle will all be integer values where

c^2=a^2+b^2

In this case, this isn’t even a right triangle as

20^2+30^2=40^2

400+900=1600

1300!=1600

because 1300 does not equal 1600 this is not a Pythagorean Triple.

6 0
3 years ago
Sec (of theta)=25/24<br> find cot(of theta)
Len [333]
If secant of theta = <span> <span> <span> 1.0416666667 </span> </span> </span> then
theta = 16.26 Degrees
cotangent of theta = 3.4286



4 0
4 years ago
Read 2 more answers
CERTAIN ANSWERS ONLY!!! There should 4 answers, thank you in advance. It may be a bit difficult sorry. Thank you :)
yaroslaw [1]

Answer:

See Below.

Step-by-step explanation:

We are given that ∠1 and ∠7 are supplementary.

And we would like to prove that a is parallel to b.

  Statements:                                           Reasons:

\textbf{\textsf{1. $\angle 1$ and $\angle 7$ are supplementary}}              Given

\textsf{2. $m\angle3$ + $m\angle 7$ $= 180$}                               Supplementary Angles

\textsf{3. $\angle3$ and $\angle7$ are supplementary}                Definition of Supplementary

\textsf{4. }\bf{\angle 1 \cong \angle3}                                               Congruent Supplements Theorem

\textsf{5. }a\parallel b                                                      Corresponding Angles Converse

And we are done!

 

3 0
3 years ago
Read 2 more answers
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