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harina [27]
3 years ago
7

Please anyone answer this for me?

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0
Im not sure but

(sarah + tara)/2 = 8

(20 + tara)/2 = 8

20 + tara = 16

tara = 4hours ?? it doesn’t make logical sense but this is the only way i can think of

sorry if this wasn’t helpful ;-;
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3. If Jay gets paid $30 a day plus $15 per driveway
marissa [1.9K]

Answer:

4 driveaways

Step-by-step explanation:

90 - 30 = 60

60 ÷ 15 = 4

6 0
3 years ago
What is the median of 4.8 , 3.8 5.9 6.6 6.6 5.4 1.7 5.4 3.8 6.3 6 5.5 3.8 5.4 5.4 6.5​
bekas [8.4K]

Answer:

The median is 5.4

Step-by-step explanation:

To find the median, you must arrange the numbers from smallest to largest:

1.7, 3.8, 3.8, 3.8, 4.8, 5.4, 5.4, 5.4, 5.4, 5.5, 5.9, 6, 6.3, 6.5, 6.6, 6.6

Since there is an even number of values, we take the middle to values and find the average:

5.4 and 5.4

Since the middle values are 5.4 and 5.4, the average of the middle is 5.4, making the median 5.4

5 0
2 years ago
5. Solve each equation by systematic trial.
Basile [38]

Answer:

a) x = 260

b) g = 218

c) z = 30

d) h = 5

Step-by-step explanation:

a) x-68=192

Predict a number; let's say x = 225

225-68=192\\157=192

Too low; try with a higher number; let's say x = 270

270-68=192\\202=192

Too high, we're closer.

x = 260

260-68=192\\192=192

--------------------------------------------------------------------------------------

b) g+33=251

let's say g = 230

230+33=251\\263=251

Too high. Try g = 221

221+33=251\\254=251

We're almost there. Let's try with g = 218

218+33=251\\251=251

----------------------------------------------------------------------------------------

c) 3z-16=74

Let's try with z = 15

3(15)-16=74\\45-16=74\\29=74

Too low; try a higher number. z = 30

3(30)-16=74\\90-16=74\\74=74

--------------------------------------------------------------------------------------------

d) 15h+9=84

Let's try with h = 6

15(6)+9=84\\90+9=84\\99=84

Too high; let's try with h = 5

15(5)+9=84\\75+9=84\\84=84

3 0
3 years ago
sharon drops a rubber ball from a height of 48 feet. every bounce sends the ball half as high it was before
sdas [7]
48-24-12-6-3-1.5-.75
4 0
3 years ago
WILL MARK BRAINLIEST, JUST HELP ME PLS
Luda [366]

Answer:

SAS theorem

Step-by-step explanation:

If \frac{CE}{CB} = \frac{DC}{AC} and m∠ECD = m∠BCA, then the triangles are similar by the SAS theorem.

\frac{EC}{BC} =  \frac{14}{21} = \frac{2}{3}           \frac{DC}{AC} = \frac{18}{27} = \frac{2}{3}

So,  \frac{CE}{CB} = \frac{DC}{AC}  and m∠ECD = m∠BCA because vertical angles are congruent

Therefore ΔECD is similar to ΔBCA by SAS theorem

5 0
3 years ago
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