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Salsk061 [2.6K]
3 years ago
6

Mr. Jackson gave an exam worth 50 points.

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0

Answer:

The person above is right, and deserves brainliest.

31 Is the correct answer

ED2021

Feliz [49]3 years ago
3 0

Z = (score - mean)/sd

-1.75 = (x - 38)/4

Multiply both sides by 4:

-7 = x -38

Add 38 to both sides:

x = 31

He scored a 31 points on the exam

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Brandon is rolling two six-sided dice. What is the probability that one die lands on an even number and the other die lands on a
Vaselesa [24]

Answer:

50-50 on both because there 3 even and 3 odd numbers

4 0
3 years ago
Read 2 more answers
(4 + 2)(3^2) − 6 + 2 × 3 = 54<br> true<br> false
Pavlova-9 [17]
It would be true.  (4+2)(3^2)-6+2*3=54 is true 

Hope this helps :) 

can you please make this the brainiest answer it would really help
<span />
8 0
4 years ago
HELP ME PLEASEEEEEEEEE
melisa1 [442]

(11 + x) \div 2 = 7 \\ 11 + x = 14 \\ x = 14 - 11 \\ x = 3

(4 + y) \div 2 = 5 \\ 4 + y = 10 \\ y = 10 - 4 \\ y = 6

(3,6) -  option \: a

3 0
3 years ago
Jaina and Tomas compare their compound interest accounts to see how much they will have in the accounts after three years. They
stellarik [79]

Formula for compound interest is

Interest = Amount - Principal

Interest = P(1+r)^{t} - P

Where r = rate in percent

t = time in years

For Jaina,

P = $300

r= 7%

t = 3 yrs

So, Interest = 300(1+0.07)^{3} - 300

For Tomas

P = $400

r= 4%

t = 3 yrs

So, Interest = 400(1+0.04)^{3} - 400

So pair of equations for Jaina and Tomas are

Interest = 300(1+0.07)^{3} - 300

Interest = 400(1+0.04)^{3} - 400

5 0
3 years ago
Read 2 more answers
Everyone please answer one of these my birthday tuesday but i might be in trouble if i fail this :(
Andreas93 [3]

Answer:

11. b

10.d

9.c

7.b

1.d

the rest I can't see clearly

please give brainiest

Step-by-step explanation:

11.

3/x-4=7/x

*cross multiply

3x=7 (x-4)

3x=7x-28

28=7x-3x

28=4x

x=7

10.

SOHCAHTOA

Cos☆=11/14

cos^-1 (11/14)

☆=38.21 degrees

9.

MLN CONGRUENT TO WBN

ML/WB=LN/BN=MN/WN

LN/BN=10/6

ML/WB

24/x=10/6

24x6=10x

144÷10

=14.4

6^2+14.4^2

=243.36

squareroot

=15.6

8 0
2 years ago
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