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Ket [755]
3 years ago
10

PLEASE PLEASE PLEASE HELP MEE!!!!!!!!!!!!!!!!

Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0

Answer:

It is C

Step-by-step explanation:

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“Ms. Blanco drove her car at a speed of 80 kilometers per hour for 1 1/2 hours, then at a speed of 100 kilometers per hour for 2
lara31 [8.8K]
I’m pretty sure it’s 370 bc
1 and a half hours is 80+40 (40 is half of 80)
and 2 and a half hours, so 100 for each hour.
100+100+50= 250

250+120=370!!

answer : 370 kilometers per hour
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2 years ago
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A cognitive psychologist wants to investigate whether memory for a shopping list is affected by the strategy used to study the l
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There is no sufficient evidence

Step-by-step explanation:

See attached files

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csf%20-10-11x%2B24%3D3x" id="TexFormula1" title="\sf -10-11x+24=3x" alt="\sf -10-11x+24=3x"
olga55 [171]

Answer:

- 14x + 14

Step-by-step explanation:

- 10 - 11x + 24 - 3x ← collect like terms

= (- 11x - 3x) + (- 10 + 24)

= - 14x + 14

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3 years ago
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What is the elapsed time between 2:45 and 6:55?
Marina CMI [18]
4 hours and 10 minutes
6 0
2 years ago
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I have to find the value of x
Greeley [361]

Answer:

x = 25

Step-by-step explanation:

A quadrilateral is inscribed in a circle, so it is a cyclic Quadrilateral.

Opposite angles of a cyclic quadrilateral are supplementary.

Therefore,

3x + 21y = 180°.....(1)

2x + 26y = 180°.....(2)

From equations (1) & (2)

3x + 21 y = 2x + 26y

3x - 2y = 26y - 21y

x = 5y

y = 1/5 x

Plug y = 1/5 x in equation (1)

3x + 21*1/5x = 180

15x + 21x = 180*5

(Multiplying both sides by 5)

36x = 900

x = 900/36

x = 25

4 0
2 years ago
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