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Studentka2010 [4]

2 years ago

11

Write a few sentences to end Sarah’s story. How many shark teeth did she find? How many shark teeth did John find? How much mone

y did they earn?

2 answers:

timofeeve [1]2 years ago

4 0

Answer:

4, 69, $0

Step-by-step explanation:

ankoles [38]2 years ago

4 0

There is no picture?

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Eight randomly selected customers at a local grocery store spent the following amounts on groceries in a single visit: $216, $18

chubhunter [2.5K]

Answer:

a) 910

b) 828100

c) 144320

Step-by-step explanation:

a. ∑y

This is the sum of all values of y. So

$\sum y = 216 + 184 + 35 + 92 + 142 + 175 + 9 + 57 = 910$

b. (∑y)^2

This is the square of the sum, so the square of 910, that we found in the previous item.

910² = 828100

c. ∑y^2

This is the sum of the squares of each amount spent. So

$\sum y^2 = 216^2 + 184^2 + 35^2 + 92^2 + 142^2 + 175^2 + 9^2 + 57^2 = 144320$

8 0

2 years ago

In Europe, the speed limits on the highways are posted in kilometers per hour. In the United States, the speed limits are posted

mina [271]

I believe the answer is 104 km per hour. correct me if i’m wrong anyone.

8 0

2 years ago

Consider △RST and △RYX. If the triangles are similar, which must be true? A. RY/YS=RX/XT=XY/TS B.RY/RS=RX/RT=XY/TS C.RY/RS=RX/RT

trasher [3.6K]

Answer:

B.RY/RS=RX/RT=XY/TS

Step-by-step explanation:

If Triangles RST and RYX are similar, then the ratio of their corresponding sides is:

$\dfrac{RS}{RY}= \dfrac{ST}{YX}=\dfrac{RT}{RX}\\$This could also be written by switching the numerator and denominators as:\\\dfrac{RY}{RS}= \dfrac{XY}{TS}=\dfrac{RX}{RT}$

Out of the given options, Option B is true.

3 0

3 years ago

Let f(x) = 5x ^ 2 - x + 1 and g(x) = - 3x . Evaluate the composition (fg)(1)

nlexa [21]

F(x) = 5(-3x) ^2 - (-3x) + 1
f(x) = -8x ^2 + 3x + 1
f(x) = -8x ^3 + 3x

5 0

2 years ago

Read 2 more answers

Help me pls guys pls

makkiz [27]

Answer: 55 cubic units

Step-by-step explanation:

5 0

2 years ago