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rosijanka [135]
3 years ago
12

Estimate: 19 + 17.77 = 37 B 31 35 D 41

Mathematics
1 answer:
Natali [406]3 years ago
4 0

Answer:

Step-by-step explanation:

Option A 37 is the correct answer

You might be interested in
Y’all know the answer to this question ?
Marta_Voda [28]
A= substitution property
b=definition of linear angles
c= subtraction property
3 0
3 years ago
How much of a 14% solution of iodine should be added to 89 ounces of a 47% iodine solution to get a 29% solution
Andrews [41]
We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)

Source:
http://www.1728.org/mixture.htm


3 0
3 years ago
Graph the line: Y=-4x+1
Eddi Din [679]

Answer:

Shown in graph.

Step-by-step explanation:

7 0
3 years ago
The area of Sahara desert is 7 times the area of the Gobi Desert. If the sum of their areas is 4,000,000 square miles, find the
ryzh [129]
X=area of Sahara.
y=area of the Gobi Desert.
We suggest this system equations:
x+y=4000000
x=7y
solve by susbstitution method.
(7y)+y=4,000,000
8y=4,000,000
y=4,000,000 / 8=500,000

x=7y
x=7(500,000)=3,500,000

The area of Sahara=3,500,00 miles².
The area of the Gobi Desert=500,000 miles²

To check:
Te sum of their areas is : 3,500,000 miles²+500,000 miles²=4,000,000 miles²
Te area of sahara (3,500,000 miles²) is 7 times the area of the Gobi Desert (7*500,000 miles²=3,500,000 miles²).
4 0
3 years ago
Please help me on this
san4es73 [151]
The answer is 15! i hope this helped!
8 0
4 years ago
Read 2 more answers
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