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andrew11 [14]
3 years ago
8

Harold is placing a mat of width w+4 around a 16 in. by 20. portrait. If Dan expression for the perimeter of the outer edge of t

he mat
Mathematics
1 answer:
julsineya [31]3 years ago
5 0

Answer:

4w234

Step-by-step explanation:

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On Monday, Jackie bought 5 1/2 kg of bird seed. She used 2 2/3 on her blue jays and 1/4 for her wrens. How many kilograms of bir
nadya68 [22]

Answer:

4 18/12 - (2 8/12+ 3/12)= 2 7/12

Step-by-step explanation:

First you want to know that you want to subtract the bird seed Jackie got (2 2/3 and 1/4) by the total Jackie bought (5 1/2).

Now set up the equation as 5 1/2 - (2 2/3+ 1/4). Now you need to realize that the fractions are not the same and need to be changed to similar denominators. 2 can be changed to any even denominator so it matters less to what we change it to, so let's focus on the bird seed Jackie used and convert it. 2/3 and 1/4 can be changed into 12's so multiply on the numerator and denominator to get these values. 2/3 would then become 8/12 and 1/4 would become 3/12. 1/2 would then also become 6/12.

Now that we have changed the fractions you want to change the expression to 5 6/12 - (2 8/12+ 3/12). Now add the values in the parentheses to get 5 6/12 - (2 11/12). Now to make this easier add more 12's to 5 6/12 by putting it to 4 18/12. the new equation will be 4 18/12 - 2 11/12, finally subtract from from the same types of numbers: 4-2= 2 18/12-11/12= 7/12. The answer would be 2 7/12.

3 0
3 years ago
Please can someone help answer these ratio questions
BabaBlast [244]

Answer:

12sweet

Alex's ratio=3

Thomas' ratio =2

I.e 3+2=5

Sweet=30

Thomas' share=2/5*30

=12

I.e Thomas' share is equal to 12 sweets

7 0
3 years ago
Read 2 more answers
What is the probability of drawing a black ace followed by a heart out
Verdich [7]

Correct option C) 0.98%

<u>Step-by-step explanation:</u>

We know that  , there are 2 black ace cards out of 52 cards in a deck & 13 hearts out of 52 cards . Here we have to tell What is the probability of drawing a black ace followed by a heart out  of a deck when the cards aren't replaced . Let's find out:

Firstly , a black ace is drawn , so probability :

⇒ P(Black) = \frac{2}{52}

Now , A heart is drawn out of 51 cards ( as one black ace is already drawn !):

⇒ P(Heart) = \frac{13}{51}

So , Probability of occurring both events is :

⇒ P(Black)(P(Heart))

⇒ \frac{2}{52} (\frac{13}{51} )

⇒ 0.0098

Percentage = 0.0098(100) = 0.98%

Therefore , Correct option C) 0.98%

7 0
3 years ago
Anya found the slope of the line that passes through the points (–7, 4) and (2, –3). Her work is shown below. Let (x2, y2) be (–
TiliK225 [7]
M=y2-y1/x2-x1 not x2-x1/y2-y1, that is her error
7 0
4 years ago
Read 2 more answers
Plot the four points on the number line below <br> -1/3 1 2/3 2/3 1 1/3
navik [9.2K]

Answer:

Step-by-step explanation:

6 0
3 years ago
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