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lesya692 [45]
2 years ago
6

7 times as much as the sum of 1/3 and 4/5​

Mathematics
2 answers:
Grace [21]2 years ago
8 0
119/15 or 7 14/15 (simplified)


Since 1/3 + 4/5 are between parenthesis, you have to solve that first, then multiply the sum by 7

1/3 + 4/5 is equal to 17/15

Multiply 17/15 by 7 and you get 119/15

The simplified solution would be 7 14/15 (7 whole numbers and a fraction of 14/15)
Anika [276]2 years ago
5 0
The correct answer should 1.1333
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The area of a rectangle is 14 square units it has side lengths a and b
Travka [436]

The sides could be 1,14 or 2,7

5 0
3 years ago
Select the correct answer from each drop-down menu.
Ahat [919]

Answer:

Cos θ  = -4/5

Tan θ = -3/4

Step-by-step explanation:

The question is as following:

Select the correct answer from each drop-down menu.

Angle θ lies in the second quadrant, and sin θ =3/5.

cos θ = -4/5, -3/5, 3/5, 4/5

tan θ = -4/3, -3/4, 3/4, 4/3

==================================================

Since, the angle lies in second quadrant (negative x axis and positive y axis) we can deduce that cos θ is negative and tan θ is also negative.

If sin θ =3/5

cos \  \theta =\sqrt{1-sin^2 \theta} = \sqrt{1-(\frac{3}{5} )^2} =\sqrt{1-\frac{9}{25} }=\sqrt{\frac{16}{25} } =\frac{4}{5}

∴ Cos θ = -4/5 ⇒ because θ lies in the second quadrant.

And

Tan θ = (sin θ)/(cos θ) = (3/5) / (-4/5) = -3/4.

3 0
3 years ago
7 + 2[(5^2)*152%]=<br> Please answer as soon as you can. I am in need of help INSTANTLY
Vitek1552 [10]

Answer: the answer is 83  you could of did it on a calculator


Step-by-step explanation:


4 0
3 years ago
Two equations are given below:
goldenfox [79]
Since the second equation gives a value for a, we can substitute it into the other equation to find a value for B.

Let's substitute b-2 into the first equation wherever there is an a.

a - 3b = 4
(b-2) - 3b = 4
b - 2 - 3b = 4
-2 - 2b = 4
-2b = 6
b = -3

Now let's find a by substituting -3 into either of the equations to find the value of a.

a = b - 2
a = -3 - 2
a = -5

So your solution set  is (-5, -3)
4 0
3 years ago
I need help with this if you get it right I will mark you
dlinn [17]

Answer:

18

Step-by-step explanation:

formula= A=v/h

5 0
3 years ago
Read 2 more answers
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