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9 – 4 + x = 20
X = 5
joseph rimiru answered the question on October 17, 2017 at 07:14
- A deep freezer temperature was maintained at -5 °C while the room temperature was 25° C. what was the temperature difference?(Solved)
A deep freezer temperature was maintained at -5 ⁰C while the room temperature was 25⁰ C. what was the temperature difference?
Date posted: October 17, 2017. Answers (1)
- Evaluate the without using a calculator
a. 13 +7÷ 2 – 34 =
b. 24 ÷ 8 + 4 X 5-8 ÷ 4 x 10 +...(Solved)
Evaluate the without using a calculator
a. 13 +7÷ 2 – 34 =
b. 24 ÷ 8 + 4 X 5-8 ÷ 4 x 10 + 2 =
c. -5 x 9 + 7 -12÷ 3 -5 =
d. -9 x 41 + 36÷ 9 + 12 x 12 =
Date posted: October 17, 2017. Answers (1)
- Evaluate the following
2 x (15 ÷ 5 ) =
(6 x 12 ) ÷ 9 =
(-39÷ 13) – 10 =
-84÷ (7 x 2) =
(Solved)
Evaluate the following
2 x (15 ÷ 5 ) =
(6 x 12 ) ÷ 9 =
(-39÷ 13) – 10 =
-84÷ (7 x 2) =
Date posted: October 17, 2017. Answers (1)
- Evaluate the following
a. 73 – 31 + 26 =
b. 3005 – 563 + 1044 =
c. 349 + 60 – 510 =
d. 87 – 110 + 5 =
(Solved)
Evaluate the following
a. 73 – 31 + 26 =
b. 3005 – 563 + 1044 =
c. 349 + 60 – 510 =
d. 87 – 110 + 5 =
Date posted: October 17, 2017. Answers (1)
- Evaluate each of the following
a. (19 – 25) + 31 =
b. (75 – 25) + 180 =
c. (78 + 55) – 101 =
d. 85 – (101 + 3) =
(Solved)
Evaluate each of the following
a. (19 – 25) + 31 =
b. (75 – 25) + 180 =
c. (78 + 55) – 101 =
d. 85 – (101 + 3) =
Date posted: October 17, 2017. Answers (1)
- Write each of the following fraction in words
a. ¼ b. 5/8 c. 5/23
(Solved)
Write each of the following fraction in words
a. ¼ b. 5/8 c. 5/23
Date posted: October 16, 2017. Answers (1)
- Write the following in numerals
a. One third b. one eighth c. Two fifth d. seven hundredth
(Solved)
Write the following in numerals
a. One third b. one eighth c. Two fifth d. seven hundredth
Date posted: October 16, 2017. Answers (1)
- In a bakery, the mass of 30 cakes taken at random is 20 kg. If the mean of the first 12 is 400 g, find...(Solved)
In a bakery, the mass of 30 cakes taken at random is 20 kg. If the mean of the first 12 is 400 g, find the mean of the mass of the other 18 cakes.
Date posted: October 16, 2017. Answers (1)
- Ten casual laborers were hired by a sisal factory for one week and paid in shillings, according to productive of each, as shown below:
616, 634,...(Solved)
Ten casual laborers were hired by a sisal factory for one week and paid in shillings, according to productive of each, as shown below:
616, 634, 721, 510, 634, 711, 615, 631, 634, 720
Find the mean, mode and median for the data.
Date posted: October 16, 2017. Answers (1)
- The mean of the numbers x, 6x +1, 18 and 10 is 16. Calculate.
a. The value of x
b. The mode
(Solved)
The mean of the numbers x, 6x +1, 18 and 10 is 16. Calculate.
a. The value of x
b. The mode
Date posted: October 16, 2017. Answers (1)
- A capillary tube which is 2 cm^3 is filled with mercury. If the length of the mercury is 1.5 m, calculate the radius of the...(Solved)
A capillary tube which is 2 cm^3 is filled with mercury. If the length of the mercury is 1.5 m, calculate the radius of the bore of the capillary tube.
Date posted: October 16, 2017. Answers (1)
- Evaluate each of the following
a. (18 – 21) + 31 =
b. 13 – (19 + 6) =
c. (100 -150) + 170 =
(Solved)
Evaluate each of the following
a. (18 – 21) + 31 =
b. 13 – (19 + 6) =
c. (100 -150) + 170 =
Date posted: October 16, 2017. Answers (1)
- Find the value of the unknown in each the following
36 ÷ y = 9
-144 ÷ y = 12
-195÷ n = -13
(Solved)
Find the value of the unknown in each the following
36 ÷ y = 9
-144 ÷ y = 12
-195÷ n = -13
Date posted: October 16, 2017. Answers (1)
- Evaluate
a. 20 ÷ 2 =
b. 100 ÷ (-25) =
c.(-140) ÷ (-70 =
d.-125 ÷ 5 =
(Solved)
Evaluate
a. 20 ÷ 2 =
b. 100 ÷ (-25) =
c.(-140) ÷ (-70 =
d.-125 ÷ 5 =
Date posted: October 16, 2017. Answers (1)
- Evaluate
a. 2 x (-7) =
b. (-21) x 4 =
c. (-3) x (-5) =
(Solved)
Evaluate
a. 2 x (-7) =
b. (-21) x 4 =
c. (-3) x (-5) =
Date posted: October 16, 2017. Answers (1)
- Evaluate the follow
a. 25 –(-42) =
b. -36 –(+51) =
c. (-15) – (-21) =
(Solved)
Evaluate the follow
a. 25 –(-42) =
b. -36 –(+51) =
c. (-15) – (-21) =
Date posted: October 16, 2017. Answers (1)
- Some decoration lights were programmed at intervals of 40 seconds, 50 seconds, 60 seconds, and 75 seconds. What is the earliest time they will give...(Solved)
Some decoration lights were programmed at intervals of 40 seconds, 50 seconds, 60 seconds, and 75 seconds. What is the earliest time they will give out light signals simultaneously if the last time they did this was at 9.15 a.m.?
Date posted: October 16, 2017. Answers (1)
- A cement factory packed it in 20kg, 25kg, 40kg, and 50kg. find the least amount of cement that can be packed into these bag equally.(Solved)
A cement factory packed it in 20kg, 25kg, 40kg, and 50kg. find the least amount of cement that can be packed into these bag equally.
Date posted: October 16, 2017. Answers (1)
- Find the least mass of meat a butcher can cut into equal amount of 2 kg, 4kg, 5kg, or 6kg.(Solved)
Find the least mass of meat a butcher can cut into equal amount of 2 kg, 4kg, 5kg, or 6kg.
Date posted: October 16, 2017. Answers (1)
- What is the greatest mass that can be taken in an exact number of times from 288, 432, 252(Solved)
What is the greatest mass that can be taken in an exact number of times from 288, 432, 252
Date posted: October 12, 2017. Answers (1)