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agasfer [191]
2 years ago
9

PLease help me this is due at midnight!

Mathematics
2 answers:
wel2 years ago
6 0
What do you need help with? Please give me a photo or something so that I can help you with it. All I see is “Please help me, this is due at midnight!!” Next time please give US a picture or something so I can be able to help you, Thank you, Sincerely Unknown.
rusak2 [61]2 years ago
3 0
I have no idea how to do this question or anything I just want to answer for the points so my bad
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Elliot purchased 3 trick cameras and 4 fake snakes and spent a total of $40. Kaci bought 7 trick cameras and 8 fake snakes, and
ivann1987 [24]

It can be deduced that the price of the trick cameras will be $5 and the price of the snakes will be $6.25.

Based on the information given, the equation to solve the question will be:

3x + 4y = 40 ...... i

7x + 8y = 85 ...... ii

Multiply equation i by 7

Multiply equation ii by 3

21x + 28y = 280

21x + 24y = 255

Subtract the equations

4y = 25

y = 25/4 = 6.25

Since 3x + 4y = 40

3x + 4(6.25) = 40

3x + 25 = 40

3x = 40 - 25.

3x = 15

x = 15/3 = 5

Therefore, the price of the trick cameras will be $5 and the price of the snakes will be $6.25.

Read related link on:

brainly.com/question/25771535

5 0
2 years ago
Please help 20 points!!!!!
skad [1K]

Three students want to estimate the mean backpack weight of their schoolmates. To do this, they each randomly chose 8 schoolmates and weighed their backpacks. Then as per the given sample data,

(a) The sample means of the backpacks are: 6.375,6.375,6.625

(b) Range of sample means: 0.25

(c)The true statement is: The closer the range of the sample means is to 0, the less confident they can be in their estimate.

For the first sample, mean= 6.375

For the second sample, mean= 6.375

For the third sample, mean= 6.625

Range of sample means=Maximum Mean- Minimum Mean

                                        = 6.625 - 6.375

                                        = 0.25

The students will estimate the average backpack weight of their classmates using sample means, the true statement is:

The closer the range of the sample means is to 0, the more confident they can be in their estimate.

Learn more about range here:

brainly.com/question/24326172

#SPJ1

6 0
1 year ago
Find numerical value if x=1 and y=5<br>4(x+y)​
Len [333]

Answer:

24

Step-by-step explanation:

4(x+y)

4(1+5)

4*6

24

6 0
3 years ago
Read 2 more answers
2/5 times ( -10)=?<br> ?=
Rudiy27

\frac{2}{5}  \times ( - 10)

2 \times  - 2

- 4

6 0
2 years ago
Read 2 more answers
Pls help!!! I will give first good answer brainliest!!
Nikitich [7]
5: length is 8

6. X is 34
7 0
2 years ago
Read 2 more answers
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