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lesya [120]
3 years ago
14

Hurry please answerrr photo 40 points ANSWER NUMBER 9 please question is in photo

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

67

Step-by-step explanation:

linear pairs are two angles that add up to 180.

If you subtract 113 from 180 you get 67, which is the measure of angle 2

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As a laboratory assistant, you measure chemicals using the metric system. For your current research, you need to measure out 45
tankabanditka [31]
There are about 28 grams in an ounce so 45/28 is about 1.5
8 0
4 years ago
Read 2 more answers
James bought 6 cupcakes and a pint of ice cream. He knows his total bill and the pint of ice cream was $5.76, but
PilotLPTM [1.2K]

Answer:

Each cupcake was $2.75

Step-by-step explanation:

We subtract the price of the ice cream from the total bill $22.26-$5.76=$16.50

We know he only bought the ice cream and cupcakes so once we subtracted the price of the ice cream, we now have the price of the cupcakes all together only

We divide the price of all the cupcakes by the amount of cupcakes to get the price of each individual cupcake $16.50/6=$2.75

8 0
3 years ago
PLEASE HELP:
Gnom [1K]
15 mi/h= 15mi/60 min= 1/4 (mi/min)

x is  original speed (mi/min)
t  is original time
x*t =260

(x+1/4)=5x/4  is new speed
t-20 - new time
(x+1/4)(t-20)=260

xt = (x+1/4)(t-20)
xt=xt + t/4 - 20x - 5
t/4=20x+5
t=80x +20 

We can substitute t=80x +20 into equation x*t =260
x*(80x+20)=260
80x²+20x-260=0 
4x²+x-13=0

D=b² - 4ac = 1+4*4*13= 209
x=(-1+/-√209)/2*4
x=1.68 mi/min

1.68mi/min * 60 min/1h≈100 mi/h

Check
260/100=2.6h time with old speed
260/(115)=2.26 h time with new speed
2.6-2.26 = 0.34 h difference between old and new time 
0.34h*60min/1h≈20 min difference between old and new time in minutes


6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28%20-%207x%20%2B%201%29%20-%20%284x%20%2B%205%29" id="TexFormula1" title="( - 7x + 1) - (4x
riadik2000 [5.3K]

Answer:

-11x-4 is the answer if the expression to simplify is (-7x+1)-(4x+5).

Step-by-step explanation:

We are first going to distribute to get rid of the ( ):

-7x+1-4x-5

Pair up like terms:

-7x-4x+1-5

Combine the like terms:

-11x-4

3 0
3 years ago
PLEASE HELP
MAXImum [283]
The nth term of any geometric sequence can be expressed as:

a(n)=ar^(n-1), a(n)=nth term, a=initial term, r=common ratio, n=term number...

We can easily see that the first term, a=-8

The common ratio is 4/-8=-2/4=1/-2=r=-1/2 so the rule is:

a(n)=-8(-1/2)^(n-1) so the tenth term is:

a(10)=-8(-1/2)^(10-1)

a(10)=-8(-1/2)^9

a(10)=1/64
5 0
3 years ago
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