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Serjik [45]
3 years ago
14

Mason and Nora decided to swim across the river. Mason began swimming 3 seconds earlier than Nora.

Mathematics
1 answer:
hram777 [196]3 years ago
7 0
What does 5.3+1 mean
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1. At a bake sale, a dozen cookies sold for $4. This price was 80% of the original price. What was the original price?
Inessa05 [86]
Answer : Original price $5
Equation 80%/100% $4/?
1) Multiply 100 by 4 which gives you 400
2) divide 400 by 80 which gives you 5
Turn 5 into $5
3 0
2 years ago
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Which equation would you use to find how high the bird is flying?
Kisachek [45]

Answer:

tan45 = x over 1100

Step-by-step explanation:

Because tan = opposite/ adjacent

x is the opposite of the 45 angle in the figure shown

1100 is the adjacent of the 45 degree angle

thus tan45 = x/1100

3 0
3 years ago
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How many 4-digit palindromes contain both the digits 1 and 2
guapka [62]
4 digit palindromes must be of form abba, so being required that you use both numbers, you only have two: 1221 and 2112
3 0
3 years ago
Does the graph of the equation y = 7 - 2x increase or decrease? A) decreases because the x values decrease from left to right B)
Nutka1998 [239]
Y=mx+b
m=slope=rise/run
if slope>0, then it increases
if slope<0, then decreases because it is going down


y=7-2x
y=-2x+7
-2<0
decreasing
because the y values decrease from left to right
the x values always increase if you go from left to right

B is the answer
7 0
3 years ago
Read 2 more answers
An experiment will be conducted in which 20 pepper plants are randomly assigned to two groups. The plants in Group 1 will receiv
Studentka2010 [4]

The experimental units in this experiment are the 10 plants in group 2.

The experimental unit is a term used in science to refer to an individual or group of objects that are initially equivalent and then undergo experimental processes.

According to the above, the experimental unit of this experiment is the group 2 of plants because these are the plants that are going to be put into experimentation with a new fertilizer.

Then, the answer is D, because it refers to the experimental unit corresponding to this experiment.

Learn more in: brainly.com/question/17034824

7 0
2 years ago
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