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Alex73 [517]
3 years ago
12

If a donut costs 50 cents and a cookie costs 35 cents, write an

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
5 0

Answer:

50d+35c= total cost

Step-by-step explanation:

50 cents for a donut, so 50 * d = total cost for donuts

35 cents for a cookie, so 35*c = total cost for cookies

add them up for the answer!

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Question 2(Multiple Choice Worth 5 points) (04.01)The Boardman family walked two over five of a mile in two over seven of an hou
Zolol [24]

Answer:

The unit rate in miles per hour = <em>1.4 miles/hr</em>

Step-by-step explanation:

Given that:

Distance walked by Boardman family = Two over five of a mile = \frac{2}{5}\ miles

Time taken by Boardman family = Two over seven of an hour = \frac{2}{7}\ hour

To find:

The unit rate in the miles per hour = ?

Solution:

Formula for the rate or the speed can be given as:

Speed = \dfrac{Distance}{Time}

Putting the values:

\Rightarrow \dfrac{\frac{2}5}{\frac{2}7}\\\Rightarrow \dfrac{7}{5}\\\Rightarrow \bold{1.4\ miles/hr}

So, the unit rate in miles per hour = <em>1.4 miles/hr</em>

4 0
3 years ago
What is the solution to the equation?<br><br>√2x+10−6=2<br><br><br>*Picture of the Problem Below*
Klio2033 [76]

Answer:

x = 27

Step-by-step explanation:

Given

\sqrt{2x+10} - 6 = 2 ( add 6 to both sides )

\sqrt{2x+10} = 8 ( square both sides )

2x + 10 = 8² = 64 ( subtract 10 from both sides )

2x = 54 ( divide both sides by 2 )

x = 27

5 0
3 years ago
On a certain hot​ summer's day, 769 people used the public swimming pool. The daily prices are $1.25 for children and $2.50 for
pickupchik [31]
579 adults and 190 children I’m pretty sure this is right
6 0
2 years ago
Derek measured the height of a window frame as 5.49 feet, but the actual height was 6 feet. What is the percentage of error in D
KIM [24]
Actual = 6 feet.

Measure = 5.49 feet

Error = 6 - 5.49 = 0.51

% Error = (Error / Actual) * 100% 
 
              = 0.51/6 * 100% = 8.5% 
 
5 0
3 years ago
What is the y-intercept of the graph of f ?
quester [9]

Answer:

(0,4)

Step-by-step explanation:

y intercept is where the line crosses the y axis

8 0
3 years ago
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