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3 years ago

Help me please ......

Mathematics

2 answers:

SSSSS [86.1K]3 years ago

7 0

EOV. IT is the sequence. Pls mark me brainliest.

Ray Of Light [21]3 years ago

3 0

Answer:

EOV

Step-by-step explanation:

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Bob scored 1/3 of the number of points that bill scored if Bob scored 24 points how many points did Bill score

-Dominant- [34]

Answer:

Bill = 72

Step-by-step explanation:

Since Bob scored 1/3 of the number of points that Bill would have scored if Bob scored 24 points......

24 divided 1/3

= 72

3 0

3 years ago

The function <img src="https://tex.z-dn.net/?f=f%28t%29%3D-5t%5E2%2B20t%2B60" id="TexFormula1" title="f(t)=-5t^2+20t+60" alt="f(

MatroZZZ [7]

Basically when the object hits the ground, f(t) is equal zero. So all you need to do is to solve the quadratic equation:
-5t^2 + 20t + 60 = 0

D = b^2 - 4ac = 20^2 - 4 × (-5) × 60 = 400 + 1200 = 1600

t1 = (-b + sqrt(D)) / 2a = (-20 + 40) / (-10) = -2
t2 = (-b - sqrt(D)) / 2a = (-20 - 40) / (-10) = 6

Since time can't be negative, our solution is t2.

So the object will hit the ground in 6 seconds.

5 0

3 years ago

parallelogram PQRS has PQ=RS=8 cm and diagonal QS= 10 cm. point F is on RS exactly 5 cm from S. let T be the intersection of PF

Doss [256]

<u>Solution-</u>

Given that,

In the parallelogram PQRS has PQ=RS=8 cm and diagonal QS= 10 cm.

Then considering ΔPQT and ΔSTF,

1- ∠FTS ≅ ∠PTQ ( ∵ These two are vertical angles)

2- ∠TFS ≅ ∠TPQ ( ∵ These two are alternate interior angles)

3- ∠TSF ≅ ∠TQP ( ∵ These two are also alternate interior angles)

<em>If the corresponding angles of two triangles are congruent, then they are said to be similar and the corresponding sides are in proportion.</em>

∴ ΔFTS ∼ ΔPTQ, so corresponding side lengths are in proportion.

$\Rightarrow \frac{PQ}{FS} =\frac{TQ}{TS} =\frac{TP}{TF}$

As QS = TQ + TS = 10 (given)

If TS is x, then TQ will be 10-x. Then putting these values in the equation

$\Rightarrow \frac{PQ}{FS} =\frac{TQ}{TS}$

$\Rightarrow \frac{8}{5} =\frac{10-x}{x}$

$\Rightarrow x=3.85$

∴ So TS = 3.85 cm and TQ is 10-3.85 = 6.15 cm

5 0

4 years ago

How can I use fractions tiles to help divide a whole number by a unit fraction

KonstantinChe [14]

To divide a whole number by a unit fraction, you can always multiply the whole number by the unit fraction's denominator to get the answer! Example: 5 divided by 1/7 is 5*7=35. This answer of 35 makes sense: there are seven 1/7's in a 1, so there are thirty-five 1/7's in a 5.

5 0

4 years ago

wright down in terms of n, an expression for the nth term of the following sequences: a) 12,10,8,6,4 b) 25,20,15,10,5

Arturiano [62]

Answer:

a) $a_{n}$ =−2n+14

b) $a_{n}$ = − 5 n + 30

3 0

3 years ago

Help me please ......​

Help me please ......