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frozen [14]
3 years ago
11

Multiply to -84 add to 5 Multiply to-24 add to -5 Multiply to -75 add to -10

Mathematics
1 answer:
user100 [1]3 years ago
4 0
Multiplies to -84, adds to 5;
-7 • 12 = -84; 12 + -7 = 5.
Answer: -7 and 12


Multiplies to -24, adds to -5
-8 • 3 = -24; -8 + 3 = -5
Answer: -8 and 3


Multiplies to -75, adds to -10
-15 • 5 =  -75; -15 + 5 = -10
Answer: -15 and 5


I hope that helps!
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Given right triangle ABC with a=50, and m
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Answer:

A=50 B=40 C=90

Step-by-step explanation:

B is a right angle so its automatically 90 degrees since A=50 and a triangle has to be 180 degrees 90+50= 140, 180-140=40.

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A magician has a collection of 52 cards, with 26 red and 26 black cards. Four of these cards are classified as 'special', and tw
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Answer:

option B (28/52)

Step-by-step explanation:

from probability

P(A∪B)=P(A)+P(B)-P(A∩B)

where

P(A∪B) = probability that event A or B happen

P(A∩B) = probability that event A and B happen simultaneously

P(A) =  probability that event A happen

P(B) =  probability that event B happen

the probability that the card is special or red

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since

P(special)= 4/52

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4 years ago
Suppose that w and t vary inversely and that t = 5/12
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Answer:

Option B. t=5/3w ;1/3

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Now since we are given the values of w=4 and t=\frac{5}{12}, we can plug them in Eqn. (1) and find our constant of proportionality a as follow:

w=\frac{a}{t}\\ \\a=wt\\\\a=(4)(\frac{5}{12} )\\\\a=\frac{5}{3}

Now that we have our constant we can find the new t value for the second value of w=5 as follow:

w=\frac{a}{t} \\\\t=\frac{a}{w}\\ \\t=\frac{\frac{5}{3} }{5}\\\\t=\frac{5}{15}\\ \\t=\frac{1}{3}\\

Therefore based on the options give, we can see that Option B. is correct since

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