3 years ago

This week Luis made 80% of what he made last week. If he made $72 this week, how much did he make last week

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

7 0

$57.60 is the answer to the question

svetlana [45]3 years ago

5 0

The answer would be $90

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In a + b, if b is divisible by n, is a + b divisible by n?

levacccp [35]

Answer:

Step-by-step explanation:

I think the answer should be no because only b is divisible by n not a

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3 years ago

28. Express 22.7 : 45.4 as a single decimal

maria [59]

Answer:

0.5

Step-by-step explanation:

22.7: 45.4 = 22.7/45.4

= 227/454

= 0.5

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3 years ago

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In 1967, New Zealander Burt Munro set the world record for an Indian motorcycle, on the Bonneville Salt Flats in Utah, with a ma

bagirrra123 [75]

Answer:49 sec

Step-by-step explanation:

Given

Maximum speed to reach is 183.58 mi/h

Length of course is 5 mi

acceleration rate is defined by 60mi/h in 4 sec

therefore acceleration(a) $=\frac{v-u}{t}$

$a=\frac{60\times 60\times 60}{4}$

$a=54\times 10^3 mi/h^2$

To reach a speed of 183.58mi/h with an acceleration of $54\times 10^3 mi/h^2$

Using equation of motion

v=u+at

$183.58=0+(54\times 10^3)t$

$t=\frac{183.58}{54\times 10^3}$

t=0.00339 hours

t=12.23 s reach maximum speed

To complete course it takes

$s=ut+\frac{1}{2}at^2$

$5=0+\frac{1}{2}\times 54\times 10^3 \times t^2$

t=0.01360 hour

or $t=48.98\approx 49 s$

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3 years ago

Solve for x. Can somebody help me? I don’t understand how to do this.

Basile [38]

$-1=\dfrac{5+x}{6}\\\\-6=5+x\\\\x=-11$

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3 years ago

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decide whether enough information is given to prove that the triangle is congruent using the SAS congruence theorem. if so, writ

Paladinen [302]

Answer:

Step-by-step explanation:

Given:

ΔCAD and ΔCBD

∠A ≅∠B (Angle)

AD ≅BD (Side)

From the graph we see that

CD≅CD (Side)

because of reflexive propriety ( a line segment is congruent with itself)

If you put in order those congruencies we have SSA witch does NOT prove congruence.

we not use SAS because the angle between the sides is not congruent

8 0

3 years ago