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DedPeter [7]
3 years ago
10

Help please !!!! Stuck

Mathematics
2 answers:
Doss [256]3 years ago
7 0
If i am correct your answer is B 
Verdich [7]3 years ago
7 0
Well all you got to do is add up all the results Sherrie found then divide it by how many you have. So I’m your case it would be 14.
You might be interested in
What are the solutions to the equation y2 – 1 = 15?
aivan3 [116]

Answer:

The solution of y² - 1 = 15  is +4 and -4

Step-by-step explanation:

Given

y² - 1 = 15

Our solution goes thus;

Make y² the subject of formula

y² = 15 + 1

Add 15 to 1

y² = 16

Take square roots of both sides

√y² = √16

y =  √16

Note that the square root of 16 is either +4 or -4 because +4 * +4 = 16 and -4 * -4 = 16; So, we replace √16 with ±4 which means + or -4

y = ±4

y = +4 and -4

Hence, the solution of y² - 1 = 15  is +4 and -4

8 0
3 years ago
Read 2 more answers
Can someone please answer this please answer it correctly please show work please please please answer it correctly
Lesechka [4]

Answer:

1.)  C. 2 Pages

2.) B. 76 mph

3.) C. 35 cents

4.)?

5.)?

6.)B

7.) B

Step-by-step explanation:

1. 2 1/2 = 5/2              1 1/4 = 5/4         5/4 * 4/5 = 1    so it is a unit with one

5/2  *  4/5 = 4/2   or 2              (You found unit by multiply what you did to the unit, because what you do to one side you do to the other)

2. 3 1/2 = 7/2     7/2 * 2/7     7/2 = 266    multiply for unit price, other wise you don't know what the true mph is, now multiply the 266 by 2/7 because what you do to one side you do to the other

2/7 = 266/1      multiply numerators and denominators

2 * 266 = 532

7 * 1 = 7             now put it back as a fraction

532/ 7          simplify

532/7 = 76

76 mph

3. 1.75 = 1 3/4 = 7/4           7/4 = 5       price = bagels       now multiply the 5 by 1/5 (reciprocal) so that you can figure out what the unit is

5 * 1/5 = 1

7/4 * 1/5         multiply numerators together and denominators together

7 * 1 = 7

4 * 5 = 20

7/20 = .35

35 cents

4. 5.  I am not sure

6.  Solve each of them

A. 12 6/10 =126/10      126/10 = 7         multiply both for 1/7  for unit price

7 * 1/7 = 1           126/10 * 1/7      multiply   126 * 1 = 126     10 * 7 = 70

126/70 = 1.80

B.  10.98 = 1098/100  1098/100 = 6/1        

1098/100 * 6/1         Multiply so that the unit is right

1098/600 = 1.83

1.83 = 1 juice

C. 18.10 = 18 1/10 = 181/10 181/10 = 10      price = number of juice

181/10 * 1/10 = 181/100               multiply with 1/10 so that 10 is 1 (unit price)

$1.81 = 1 juice

D.   16 38/100 = 1638/100    1638100 = 9   multiply both sides by 1/9 so unit is 1

9 * 1/9 = 1

1638/ 100 * 1/9    1638/900  =  1.82

$1.82 = 1 juice

1.80 per juice is cheapest so it is B

7.

B. 1 = $5   it is the unit so if you multiply by all the numbers on top it will equal the number in the row, none of the others do that

7 0
3 years ago
Read 2 more answers
Solve the given system, using the substitution method.
alexandr1967 [171]
Y = 3x - 7 . . . . . (1)
6x - 2y = 12 . . . (2)

Putting (1) into (2) gives
6x - 2(3x - 7) = 12
6x - 6x + 14 = 12
14 = 12

Therefore, there is no solution.
5 0
3 years ago
Read 2 more answers
PQRS is a parallelogram. Find the values of a and b. Solve for the value of c, if<br> c= a + b.
Ber [7]

Answer:

B

Step-by-step explanation:

The opposite sides of a parallelogram are parallel and congruent, thus

SR = PQ , that is

8a - 4 = 6a + 10 ( subtract 6a from both sides )

2a - 4 = 10 ( add 4 to both sides )

2a = 14 ( divide both sides by 2 )

a = 7

In a parallelogram consecutive angles are supplementary, thus

∠ P + ∠ Q = 180, that is

18b - 11 + 9b + 2 = 180, that is

27b - 9 = 180 ( add 9 to both sides )

27b = 189 ( divide both sides by 27 )

b = 7

Thus c = a + b = 7 + 7 = 14 → B

3 0
3 years ago
if angle A and B are alternate interior angles, what is the measure of angle B if angle A measures 105°​
ki77a [65]

Answer:

75 degrees

Step-by-step explanation:

both the angles must add up to 18.

180 - 105 = 75

105 + 75 = 180

8 0
3 years ago
Read 2 more answers
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