Someone help with these? I have major problems figuring these out.

Mathematics

1 answer:

zzz [600]3 years ago

4 0

answers are 110,32,113,72 and 540 degrees

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While shopping, Dawn finds a backpack that she likes on the sale rack. Its original price is $60,

Nadya [2.5K]

No. Because 33 $ is the money deducted from the 60 $. Dawn bought everything for less than 60 $.

So, if Dawn purchases everything on the rack with a 30% discount and 15% coupon the total will indeed make 45%.

We have to take 100% - 45%= 55% to know the reduction number. Let's proceed to the calculations now.

100%= 60 $

1%=60/100

55%= 60/100 × 55 = 33 $

Now NOTE; 33 $ is the money reduced from the 60 $. So, logically, 33 $ isn't the amount which Dawn purchased the whole rack. 

To find the amount at which she purchased everything, we need to do,

60 $ - 33 $ = 27 $

6 0

3 years ago

look at this equation and the steps used to solve it. Which answer is the best justification for step 1 of this solution

Julli [10]

Answer:

Step-by-step explanation:

4 0

3 years ago

What is the answer to (-3x) + x

Dafna11 [192]

I'm pretty sure it's -4x.

5 0

3 years ago

What is the next fraction in each of the following patterns?1/40,4/40,9/40,16/40,25/40...?

tresset_1 [31]

Let
a1=1/40
a2=4/40
a3=9/40
a4=16/40
a5=25/40
a6=?

we know that
a2-a1=4/40-1/40----> 3/40
a3-a2=9/40-4/40-----> 5/40
a4-a3=16/40-9/40----> 7/40
a5-a4=25/40-16/40---> 9/40

the difference is
3/40,5/40,7/40.9/40,....
3/40+[2/40]---> 5/40
5/40+[2/40]---> 7/40
7/40+[2/40]---> 9/40

the next will be
9/40+[2/40]-----> 11/40
so
the next term is 25/40+[11/40]------> 36/40

the answer is
36/40

5 0

3 years ago

Find the average of these numbers to the nearest whole number. 516,497,501,528,476

defon

516+497+501+528+476= 2518

2518/5= 503.6

round up to 504

5 0

3 years ago