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Serggg [28]
3 years ago
9

Find the value of two numbers if their sum is 124 and their difference is 16

Mathematics
1 answer:
Paraphin [41]3 years ago
6 0
The answer is 8 and 4
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Hey I need help with this question:<br><br> 6(x-3)^2-26 = 10
ra1l [238]

Answer:

x = 3 ±sqrt(6)

Step-by-step explanation:

6(x-3)^2-26 = 10

Add 26 to each side

6(x-3)^2-26+26 = 10+26

6(x-3)^2 = 36

Divide by 6

6/6(x-3)^2 = 36/6

(x-3)^2 = 6

Take the square root of each side

sqrt((x-3)^2) = ±sqrt(6)

x-3 =  ±sqrt(6)

Add 3 to each side

x-3+3 =3 ±sqrt(6)

x = 3 ±sqrt(6)

7 0
3 years ago
Keisha spent a total of $52 at the grocery store. Of this amount, she spent $39 on fruit. What percentage of the total did she s
Doss [256]

Answer:

75%

Step-by-step explanation:

Percentage of total spent on fruit = (39/52)×100%

= 0.75×100%

= 75%

4 0
3 years ago
Find the slope between the point A (3,2) and B (-1,-4)<br> A. 7/3<br> B. 3/2<br> C. 2/3 <br> D. 3/7
Semenov [28]

Answer:

The slope will be m= 3/2

4 0
3 years ago
Between the years of 1947 and 1956, earthenware jars containing what are known as the Dead Sea Scrolls were found in caves along
lidiya [134]

Answer:

They are right, the time calculated using the exponential decay equation is 1948.6 years.

Step-by-step explanation:

The time can be calculated using the exponential decay equation:

N_{(t)} = N_{0}e^{-\lambda t}     (1)

<u>Where</u>:

N(t): is the quantity of C-14 at time t

N₀: is the initial quantity of C-14

λ: is the decay constant  

The decay constant is:

\lambda = \frac{ln(2)}{t_{1/2}}   (2)    

By entering equation (2) into (1) and solving for t, we have:

t = \frac{t_{1/2}*ln(N_{t}/N_{0})}{ln(2)} = \frac{5730*ln(0.79)}{ln(2)} = 1948.6 y

Therefore, the time of the scrolls estimated by the archeologists is right, since the time calculated using the exponential decay equation is 1948.6 years.      

I hope it helps you!

8 0
3 years ago
Aubree is making pizzas for a pizza party. Each pizza requires 2/3 pound of cheese. How many pounds of cheese does she need to m
Stolb23 [73]

Answer:

10 2/3

Step-by-step explanation:

16 x 2/3

32/3 or 10 2/3

7 0
3 years ago
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