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Marina86 [1]
3 years ago
14

Help please , will mark

Mathematics
1 answer:
Andrews [41]3 years ago
7 0

Answer:

384 in²

Step-by-step explanation:

SA = 2(8²) +  2(8²) + 2(8²) = 384

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In an experiment, colored letters flash briefly on a computer screen. On each trial, participants are asked to report the letter
katen-ka-za [31]

The alternatives or options aren't given.

Answer:

Kindly check explanation

Step-by-step explanation:

The dependent variable in an experiment refers to the va ibale which we intend to measure based on the outcome or values of one or more predictor variables, this variable which we intend to measure is the dependent variable while the the variables which causes a change or upon which the dependent variable relies are the independent variable. Hence, from the scenario described above, the possible dependent variables are :

The letters in their correct colors and the confidence in response Given.

8 0
2 years ago
5x−4y=34<br> −x+8y=22<br> elimination
Brut [27]

Answer:

The solution to the system of equations is:

x=10,\:y=4

Step-by-step explanation:

Given the system of equations

\begin{bmatrix}5x-4y=34\\ -x+8y=22\end{bmatrix}

Multiply -x+8y=22 by 5:  -5x+40y=110

\begin{bmatrix}5x-4y=34\\ -5x+40y=110\end{bmatrix}

so adding the equations

-5x+40y=110

+

\underline{5x-4y=34}

36y=144

solve 36y = 144 for y:

36y=144

divide both sides by 36

\frac{36y}{36}=\frac{144}{36}

Simplify

y=4

For 5x-4y=34 plug in y=4

5x-4\cdot \:4=34

5x-16=34

Add 16 to both sides

5x-16+16=34+16

Simplify

5x=50

Divide both sides by 5

\frac{5x}{5}=\frac{50}{5}

Simplify

x=10

Therefore, the solution to the system of equations is:

x=10,\:y=4

3 0
3 years ago
Could somebody help me with this geometry question?
BlackZzzverrR [31]

Answer:

y=3/5X+5/6

Step-by-step explanation:

Y=ax+b

(-4;-3)  (6:3)

-3=-4a+b

3=6a+b

3-6a=-3+4a

6=10a

a=6/10=3/5

b=5/6

3 0
3 years ago
The area of a square boxing ring is 484 (feet squared). What is the perimeter of the boxing ring?
VARVARA [1.3K]
88 feet

<span>√</span>484=22
Perimeter is l+l+l+l
22+22+22+22=88
7 0
3 years ago
Read 2 more answers
Lena buys 3 cans of soft drinks and 5 sandwiches for a picnic . Patrick buys 9 cans of soft drinks and 10 sandwiches for the sam
iren2701 [21]

Answer:

for Lena

C = 3x   C + 5x

for Patrick

C = 9x  C = 10x

for total  C = 12x + 15x

Step-by-step explanation:

3 0
3 years ago
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