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Olin [163]
2 years ago
10

261 is the quotient of r and 263

Mathematics
1 answer:
sertanlavr [38]2 years ago
7 0

Answer:

68,643

Step-by-step explanation:

work backwards

261×263=68,643

68,643÷263=261

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Plz answer serious answers only
Illusion [34]

Answer:

y = 9

Step-by-step explanation:

angle 1 = angle (7y - 2)

7y - 2 = 61

7y= 63

y=9

3 0
2 years ago
A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability
Afina-wow [57]

Answer:  Probability that both tests detect the bacteria is 83.66%.

Step-by-step explanation:

Since we have given that

Probability of  the first test giving accurate results = 84%

Probability of the second test is accurate = 89%

Probability of both tests detect the bacteria is given by

\frac{94}{100}\times \frac{89}{100}\\\\=0.94\times 0.89\\\\=0.8366\\\\=83.66\%

Hence, Probability that both tests detect the bacteria is 83.66%.

6 0
3 years ago
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Compare the values.
Iteru [2.4K]
The answer is C) 3 x 10^4
3 0
2 years ago
Lynn has $8.58 in quarters and pennies. If she has eight times ans many pennies as quarters, how many of each does she have?
svp [43]
Let q = number of quarters.
Let p = number of pennies.

A quarter is worth $0.25. q quarters are worth 0.25q.
A penny is worth $0.01. p pennies are worth 0.01p.
All coins together are worth 0.25q + 0.01p.

We are told that all coins together are worth $8.58, so 0.25q + 0.01p must equal 8.58.

0.25q + 0.01p = 8.58

That is our first equation.

She has 8 times as many pennies as quarters, so

p = 8q

That is our second equation.

We have a system of equations.

0.25q + 0,.01p = 8.58
p = 8q

Since the second equation is already solved for p, we can use the substitution method.

We will substitute 8q for p in the first equation.

0.25q + 0.01p = 8.58

0.25q + 0.01(8q) = 8.58

0.25q + 0.08q = 8.58

0.33q = 8.58

q = 26

p = 8q = 8 * 26 = 208

She has 26 quarters and 208 pennies.

Check:
26 quarters are worth 26 * $0.25 = $6.50
208 pennies are worth $2.08
$6.58 + $2.08 = $8.58
The value of the coi8ns is correct.

Also, 208/26 = 8. The number of pennies is really 8 times the number of quarters.

Our solution is correct.
4 0
3 years ago
How do you give brainliest? I will giv u brainliest if you answer lol
Nookie1986 [14]

Answer:

whe I answe thre should be a crown click on that crown

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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