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pentagon [3]
2 years ago
10

Carrie ran some of the miles and walked some of the miles in a 10-mile race. Each mile she ran took 9 minutes, and each mile she

walked took
16 minutes. She finished the race in 120 minutes.
Which system of equations can be used to determine the number of miles Carrie ran, r, and walked, W?
r+9 = 10
ОА.
W + 16 = 120
B.
r = 10w
9r + 16w = 120
OC.
r+w = 10
9r + 16w = 120
D.
r+w = 10
16r + 9w = 120
Mathematics
2 answers:
natka813 [3]2 years ago
6 0
You can use y=Mx+b or you can use ride over run because all you need to do is find which number you would like to use for your x and y and you can figure it out easy
Hunter-Best [27]2 years ago
5 0

9514 1404 393

Answer:

  C. r+w = 10; 9r + 16w = 120

Step-by-step explanation:

The problem statement describes two relationships. Each of these gives rise to an equation.

  total miles: r + w = 10

  total time: 9r +16w = 120

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Emily buys a toaster during the sale off for 10% off if ellen pays 36$ what was the original price
LenaWriter [7]

Answer:

100%-10%=90%

90%=36$ what about 10%=4$

36$+4$=40$

5 0
2 years ago
99 POINTS PLZ HELP Which explanation best describes the answer to this problem? At the honey farm there were 35 bees in a hive.
LiRa [457]

Answer:

910 bees

Step-by-step explanation:

There are 35 bees in a hive and we have 26 hives.

Take the number of hives and multiply by the number of bees per hive

26*35 =910

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7 0
3 years ago
Read 2 more answers
∠C and ​ ∠D ​ are vertical angles with m∠C=−x+26 and m∠D=2x−10 .<br><br><br><br> What is m∠D ?
grin007 [14]

Answer:

the correct answer is 14

Step-by-step explanation:

6 0
3 years ago
Can someone help me with 1-142 all the way to 1-144??
mezya [45]

CL.1.142):

A):      

x5 ==>      4 boxes  =   3ft   <==== x5

20 boxes   =       ?  ft

20 boxes  is    15 ft. high



B):   x3  ===>   4 boxes     =    3ft.  <==== x3

   ?   boxes           =          9ft.

       12 boxes  will fit in one stack.



c):  CL.143

 Perimeter  =     15  +  29  +  9  +  11  +  6  +  18   =====>  88m

A1    =    b  *   h

(18)(15)  

270m^2


A2    =   b  *  h

(11)(9)

99

Total  Area ======>   270    +    99   ======>  369m^2









CL.1-144

1/4    +   1/4   +   1/5     =    5/20    +   5/20   +   4/20    ====>    14/20

1/4  *    5/5  =====>  5/20

1/5   *    4/4    =====>  4/20

14/20      +      ?/20       =      20/20

?      =       6  Missing    Section

6/20      ======>     3/10





CL-1.145

A):   40/100       =     4/10   ====>   2/5

0.4            ========>    40%



B):    1/6  ======>   .00000

0.16 (Repeating 6)  ======>  16.6%



C):   37.5/100     =    375/1000     =======>     3/8

0.375      =========>   37.5%





CL-1.146

ADD:   1/6   +   1/2   show all steps:

1/6   +   1/2

1/6    +    3/6

1   +   3 / 6

4/6  =======>    2/3     =======>   Decimal:   =======>   0.666667






Hope that helps!!!!                                   : )


5 0
3 years ago
10) Find the area of a circle that has the<br> circumference of 117 cm. Leave it as it.
garik1379 [7]

Step-by-step explanation:

Using the formulas

A

=

π

r

2

C

=

2

π

r

Solving for

A

A

=

C

2

4

π

=

117

2

4

·

π

≈

1089.33601

cm²

A

≈

1089.34

cm²

8 0
3 years ago
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