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Ghella [55]
2 years ago
12

How do I solve 93 + (68+7)

Mathematics
2 answers:
kirza4 [7]2 years ago
7 0

93+(68+7)

=93+68+7

=100+68

=168

emmasim [6.3K]2 years ago
6 0
(1)First you your supposed to do the (inside of parenthesis ALWAYS!) 
so for example:
(2)93+ (75)  < ------68+7= 75
(3) Then you do whats left on the outside! 
for example: 93+75= 168-----> 168 is your answer!
do you get it? I'm going to give you one more problem in case!

250- (23+34) 

remember always do whats in the parenthesis first!

(1) 250 - (57)
(2) gather everything of whats left outside after you do whats in the parenthesis first! so lastly its------> 250-57= 193! 

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Please assist me in my time of need.
vaieri [72.5K]

Answer:

I shall assist thee.

Step-by-step explanation:

Being me, I would say the answer is A. or B. But i'd prolly go with A tbh.

And oofers on me if this ain't what you need.

4 0
3 years ago
Sally makes a fruit drink using ⅔ of a cup of orange juice for every ¼ of a cup of pineapple juice. How many cups of orange juic
Shkiper50 [21]

Answer:

5 1/3

Step-by-step explanation:

Set up ratio.

2/3 cup orange juice    X    2 cups  pineapple juice

———————————-

1/4 cup pineapple juice

first multiply numerator :  2/3 x 2   =  4/3

and divide by denominator

(4/3)/(1/4). Keep the first.  Change the sign to multiplication and Flip the second fraction.

4/3 x 4/1 = 16/3

change to proper fraction :  16/3 = 5 1/3 cups

7 0
3 years ago
Make x the subject of the formula a − bx = c​
Eddi Din [679]

Answer:

x = c - a / -b

Step-by-step explanation:

a - bx = c

-a               -a

-bx = c - a

divide -b    

x = c - a / -b

3 0
2 years ago
Read 2 more answers
A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with σ=0.0
oksian1 [2.3K]
<h2>Answer with explanation:</h2>

The confidence interval for population mean is given by :-

\overline{x}\pm z^* SE                   (1)

, where \overline{x} = sample mean

z* = critical value.

SE = standard error

and SE=\dfrac{\sigma}{\sqrt{n}} , \sigma = population standard deviation.

n= sample size.

As per given , we have

\overline{x}=74.021

\sigma=0.001

n= 15

It is known that ring diameter is normally distributed.

SE=\dfrac{0.001}{\sqrt{15}}=0.000258198889747\approx0.000258199

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 99% two-sided confidence interval on the true mean piston diameter :

74.021\pm (2.576) (0.000258199)     (using (1))

74.021\pm 0.000665120624

74.021\pm 0.000665120624\\\\=(74.021- 0.000665120624,\ 74.021+ 0.000665120624)\\\\=(74.0203348794,\ 74.0216651206)\approx(74.020,\ 74.022)  [Rounded to three decimal places]

∴  A 99% two-sided confidence interval on the true mean piston diameter  = (74.020, 74.022)

By z-table ,

The critical value for 95% confidence  = z*= 1.96

A 95% lower confidence bound on the true mean piston diameter:

74.021- (1.96) (0.000258199)    (using (1))

74.021- 0.00050607004=74.02049393\approx74.020 [Rounded to three decimal places]

∴  A 95% lower confidence bound on the true mean piston diameter= 74.020

7 0
3 years ago
A 20-oz iced tea at a certain restaurant has 90 calories. How many calories are there in a 36-oz iced tea?
kvv77 [185]

Answer:

the answer is 230 calories :)

Step-by-step explanation:

divide 160 by 16 to find out how much 1-oz is then times it by 23 to get the amount of calories in 23-oz.   There you go I hope it helps :)

3 0
3 years ago
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