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3 years ago

50 % of blank = 21 plz I need help with that question

Mathematics

2 answers:

hram777 [196]3 years ago

5 0

Answer:42

21 x2 = 42. Therefore 1/2 or 50% of 42 is 21

Step-by-step explanation:

nadezda [96]3 years ago

3 0

Answer:

Step-by-step explanation:

50% of ? = 21 is saying that you need to do 21 x 2, which is 42.

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100(.45m-9)=100(0.9m)

lord [1]

Step 1) Distribute everything in parentheses

45m+900 = 90m

Step 2) Subtract 45m from both sides

900 = 45m

Step 3) Divide

Answer: 20

8 0

3 years ago

On Friday, Oscar sold 2 pitchers of lemon are from his lemonade stand. On Saturday, he sold 1/2 as much lemonade as on Friday. H

Ann [662]

Answer:

The correct answer is 1 pitcher.

Step-by-step explanation:

Oscar sold 2 pitchers of lemon are from his lemonade stand on Friday.

On Saturday, he sold $\frac{1}{2}$ as much lemonade as on Friday.

The number of pitchers of lemon from the lemonade stand which Oscar sold on Saturday is given by $\frac{1}{2}$ × 2 = 1 pitcher.

Thus Oscar sold 1 pitcher on Saturday which is half of the number of pitchers of lemon he could sell on Friday.

4 0

3 years ago

Evaluate the expression when x = 3. 6) 21-X

vovikov84 [41]

Answer: 18

Step-by-step explanation: You would substitute x for 3 in the expression. This would equal 21-3, or 18 when simplified

3 0

3 years ago

13. Higher Order Thinking Eve and Gerard

ella [17]

Answer:

Gerard's blue section is larger.

Step-by-step explanation:

Eve divided her half into 6 equal sections and painted one section blue.

So, the blue-painted part will be of size $(\frac{1}{2} \times \frac{1}{6}) = \frac{1}{12}$ part of the whole poster.

Again, Gerard divided her half into 5 equal sections and painted one section blue.

So, the blue-painted part will be of size $(\frac{1}{2} \times \frac{1}{5}) = \frac{1}{10}$ part of the whole poster.

Now, since 12 > 10, so, $\frac{1}{12} < \frac{1}{10}$

Therefore, Gerard's blue section is larger. (Answer)

6 0

3 years ago

2) (-8, -9). (4.-10)

const2013 [10]

Answer: √

145 or 12.04159457 for the decimal ways try 12

Step-by-step explanation: 12.0415945787923

Midpoint (−2,−9.5)

Slope −0.0833333333333333

x intercept −116.00

y intercept −9.67

4 0

3 years ago

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