9 – 4 + x = 20
X = 5
joseph rimiru answered the question on October 17, 2017 at 07:14
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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)
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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 =
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d. -9 x 41 + 36÷ 9 + 12 x 12 =
Date posted: October 17, 2017. Answers (1)
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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
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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)
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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:
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Find the mean, mode and median for the data.
Date posted: October 16, 2017. Answers (1)
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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)
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Date posted: October 16, 2017. Answers (1)
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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)
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Date posted: October 16, 2017. Answers (1)
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Date posted: October 12, 2017. Answers (1)