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stiv31 [10]
3 years ago
11

What is 2/3 × 1/5what does this equal ​

Mathematics
1 answer:
Tom [10]3 years ago
6 0
It’s 2/15

It’s just 2x1 and 3x5
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If you add Natalie's age and Fred's age, the result is 42. If you add Fred's age to 3 times
Alla [95]

Answer:

N+F=42 & F+3N=70 System Solved: Natalie is 14 and Fred is 28

Step-by-step explanation:

Using variables N=natalies age and F=Freds age

N+F=42 ----> N=42-F (take this and plug it into the other equation)

F+3N=70 so F+3(42-F)=70 [simplify] F+126-3F=70 [further simplify]

-2F=-56 [divide -56 by -2] F=28 [then plug this number into the orig. equation]

So N+28=42 or N=14.

5 0
3 years ago
Given cosθ=3√3 and sinθ<0 . What is the value of sinθ ?
guapka [62]

Answer:

Doesn't make sense.

Step-by-step explanation:

-1 ≤ cosθ ≤ 1

=> cosθ = 3√3 doesn't make sense.

7 0
3 years ago
ASAP NEED HELP!!!! ∩ω∩ Michael has $15 and wants to buy a combination of school lunches to feed at least three classmates. A san
Nikitich [7]

Answer:

Step-by-step explanation:

A. The first inequality is graphed as a shaded area below the solid line with x-and y-intercepts of 7.5 and 5, respectively. The second inequality is graphed as a shaded area above the solid line with x- and y-intercepts of 3.

The solution set is the set of integer-valued grid points one or between the lines.

__

B. The point (5, 1) is included in the solution area. Mathematically, it can be shown to satisfy the two inequalities:

  2(5) +3(1) ≤ 15   ⇒   13 ≤ 15   True

  (5) +(1) ≥ 3   ⇒   6 ≥ 3   True

__

C. The point (5, 1) is in the solution set. It means Michael can purchase 5 sandwiches and 1 hot lunch within his budget constraints. That will provide 6 meals, which is more than the minimum of 3 that he wants to provide.

8 0
3 years ago
Identify the missing c value in the following equation.
GalinKa [24]

Answer:

A.+4

Step-by-step explanation:

Graph pass (1 , 0) and (4 , 0)

y = (x - 1) (x - 4) = x² - 5x + 4

c = 4

5 0
3 years ago
Which equation is represented by the line
Rainbow [258]
The correct choice is the third one. Y=2/3x
8 0
3 years ago
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