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Marta_Voda [28]
3 years ago
12

Insert a +, -, x, or / to make each statement true 27 3 5 2 = 19

Mathematics
2 answers:
SpyIntel [72]3 years ago
3 0
27/3 + (5 * 2) = 9 + 10 = 19
Katyanochek1 [597]3 years ago
3 0
27 / 3 + (5 x 2) = 19
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sarithas age is 3 times her sons age. ten years ago he was five times her sons age. find thier present age
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
How many different committees can be formed from 11 teachers and 49 students if the committee consists of 2 teachers and 4 stude
olganol [36]
The number of combinations is the product of the number of choices for each selection...

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8 0
3 years ago
Ted knows the actual distance between two cities is 150 miles. His map shows a distance of 2 inches between these cities. What i
Serjik [45]

Answer:

The scale used on his map is <u>150 miles : 2 inches</u>.

Step-by-step explanation:

Given:

Ted knows the actual distance between two cities is 150 miles. His map shows a distance of 2 inches between these cities.

Now, to find the scale Ted used on his map.

The actual distance Ted know between two cities = 150 miles.

The distance on map between these cities = 2 inches.

So, to get the scale used on his map:

\frac{The\ actual\ distance\ Ted\ know\ between\ two\ cities}{The\ distance\ on\ map\ between\ these\ cities}

=\frac{150\ miles}{2\ inches}

=150\ miles:2\ inches.

Therefore, the scale used on his map is 150 miles : 2 inches.

5 0
2 years ago
If there are 25 animals in total, how many dogs are at the kennel?
8_murik_8 [283]

Answer:

4 is always correct

Step-by-step explanation:

7 0
2 years ago
A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
2 years ago
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