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IceJOKER [234]
3 years ago
9

Alussa took a math test with 20 questions

Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

Step-by-step explanation: 100 divided by 20 is 5 therefore, each question is worth 5%. take how many questions she got right and multiply by 5. then determine if her score is less than or greater then 90%.

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Answer this questions right and i will give you Brainliest, Thanks, and 5 stars and thanks on profile.
katen-ka-za [31]

Answer:

1. k=5

2. a= -7

3. n=4

4. n=1

5.x=0

6. r= -4

7. b=31

8.n= -3

3 0
2 years ago
A basketball court is a rectangle. If a court measures 60 feet by 40 feet, what is the length of the diagonal from one corner of
alexdok [17]
Pythagorean theorem: a²+b²=c²
Where c = length of the hypotenuse (diagonal of a triangle)

60²+40²=c²
3600+1600=c²
5200=c²
c=√5200
c ≈ 72.11 ft
3 0
2 years ago
Plzzzzzzzz help this is math
elena-s [515]
The answer would be
m= -25
3 0
2 years ago
Read 2 more answers
One week John earned three times as much as Alex earned mowing lawns. If they earned $48 altogether,how much did each one earn
Allisa [31]

Answer:Alex earned $12

              John earned $36

Step-by-step explanation:

j=3a

a+3a=48

4a=48

a=48/4

a=12

j=36

8 0
3 years ago
A potato chip company makes potato chips in two flavors, Regular and Salt & Vinegar. Riley is a production manager for the c
tiny-mole [99]

Answer:

(a) H0:μ1=μ2; Ha:μ1≠μ2, which is a two-tailed test.

Step-by-step explanation:

We formulate the

H0: μ1=μ2; null hypothesis that the two means are equal and alternate hypothesis that the two mean are not equal.

Ha:μ1≠μ2 Two tailed test

Test statistic used is

t= x1`-x2` / s√n as the variances are equal and sample size is same

T value for 9 degrees of freedom for two tailed test at α = 0.05 is 2.26

P- value for t test for 9 degrees of freedom is 0.125 from the table.

Hence only a is correct .

4 0
2 years ago
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