Answer:
the answer is -6+-8
Step-by-step explanation:
negative -6+-8 equals -14. If -6 +8 then it will not equal -14. so both signs of the equation have to be negative for the answer to be a negative number.
Answer:
The rate charged by the first mechanic was $65 per hour and the rate charged by the second mechanic was $105 per hour
Step-by-step explanation:
Let
x ----> the amount charged per hour by the first mechanic
y ----> the amount charged per hour by the second mechanic
we know that
the sum of the two rates was $170 per hour
so
----> equation A
Together they charged a total of $1825
so
----> equation B
solve the system by graphing
Remember that the solution is the intersection point both graphs
using a graphing tool
The solution is the point (65,105)
see the attached figure
therefore
The rate charged by the first mechanic was $65 per hour and the rate charged by the second mechanic was $105 per hour
Answer:
Step-by-step explanation:
Let the numbers be x and y
<h3>Given condition:</h3>
x + y = 48 --------(1)
y = 7x -------------(2)
Put Eq. (2) in (1)
x + 7x = 48
8x = 48
Divide 8 to both sides
x = 48/8
<h3>x = 6</h3>
Put x = 6 in Eq. (2)
y = 7 (6)
<h3>y = 42</h3>
Answer:3028
Step-by-step explanation:
Answer:
0.00002
Step-by-step explanation:
Think of 2 as 2.0
Now, base ten with a negative exponent means moving the decimal point in the multiplied number to the left, where as base ten with a positive exponent means moving the decimal point in the number to the right. The empty spaces are filled with zeros.
So, in 2.0, the decimal is moved to the left 5 times, because the exponent is -5, and the empty spaces are filled with 0. Once to the left is 0.2, twice is 0.02, thrice is 0.002, four times is 0.0002, and five times is 0.00002
That's It!
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