1 year ago

Only questions 5 and 6 pls.

Mathematics

1 answer:

lesantik [10]1 year ago

4 0

theres no pic so how do we answer

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4. if f (x) = 2x2 – 32, what is the value of f (5)?

xenn [34]

Step-by-step explanation:

f(x)=2×2-32

f(5)=252-32

f(5)=220

3 0

2 years ago

What is the BEST estimate of the expression 398 divided by 9.9 times 1 5/6 plus (-22)

Anvisha [2.4K]

Answer:

51.7037037037

Step-by-step explanation:

But estimated, probably 51.7 or 52

4 0

1 year ago

Can someone please help me with these two please I'll appreciate it :)

s344n2d4d5 [400]

4.

$\sqrt{64}=8\\\\8\dfrac17=8.14285714...\\\\8.\overline{14}=8.14141414...\\\\ \dfrac{15}2=7,5\\\\\\ \boxed{\ \dfrac{15}2\ \ \textless \ \ \sqrt{64}\ \ \textless \ \ 8.\overline{14}\ \ \textless \ \ 8\dfrac17\ }$

5.

$\sqrt{18}$ doesn't belong with the other three because it is irrational number
The other three can be expressed as a ratio between two <span>integers.

$-\dfrac{10}2=\dfrac{-10\ }2\\\\-13.4=-13\frac4{10}=\frac{-134}{\ 10}\\\\ 22.\overline7=22\frac79=\frac{205}9\\\\\\ \sqrt{18}=\sqrt{9\cdot2}=\sqrt9\cdot\sqrt2=3\sqrt2$
</span>

7 0

2 years ago

Can a rational number to a rational power be rational

Aleks [24]

Answer:

it is possible to get something rational.

Step-by-step explanation:

This can't really be explained.

8 0

2 years ago

What is the solution for this set of equation (2r-3)-4=37

Alex777 [14]

Answer:

(2r-3)-4=37

or,(2r-3)=37+4

or,2r-3=41

or,2r=41+3

or,2r=44

or, r= 44/2

hence , r= 22

5 0

2 years ago