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4 years ago

Which equation can be used to solve the problem 180 is 40% of what number

Mathematics

2 answers:

Kruka [31]4 years ago

6 0

Answer:

40/100 * x = 40

Solve for x. Hope this helps

Alex787 [66]4 years ago

6 0

Answer:

180= 0.4x

x= 450

Step-by-step explanation:

180= 40% of x

180= 0.4x

x= 180/0.4

x= 450

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One root of f(x)=x^3-9x^2+26x-24 is x = 2. What are all the roots of the function? Use the Remainder Theorem.

aniked [119]

Answer:

$x=3$ or $x=4$

Step-by-step explanation:

the given function is;

$f(x)=x^3-9x^2+26x-24$

According to the rational roots theorem, the possible rational roots are;

$\pm1,\pm2\pm3,\pm4,\pm6,\pm8,\pm12,\24$ .

According to the Remainder Theorem, if $f(a)=0$ , then $x=a$ is a zero of the polynomial.

$f(3)=3^3-9(3)^2+26(3)-24$

$f(3)=27-81+78-24$

$f(3)=24-24=0$

Also,

$f(4)=4^3-9(4)^2+26(4)-24$

$f(4)=64-144+104-24$

$f(4)=64-64=0$

Therefore the other roots are;

$x=3,x=4$

7 0

4 years ago

What percent would be equivalent to \frac{8}{10} 8 10 ?

Dmitry_Shevchenko [17]

$\bf \cfrac{8}{10}\implies 8\div 10\implies \stackrel{\textit{decimal}}{0.8}\implies \stackrel{\textit{to make it a percent}}{0.8\cdot 100}\implies \stackrel{\%}{80}$

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4 years ago

Need help ASAP ELO help help help help help

Yuki888 [10]

Your answer would be 50.24

3 0

4 years ago

Please HELP❗️40 points

Alekssandra [29.7K]

Answer:

This is acute angle since 75° < 90°

This is an isosceles triangle

<u>Exterior angle is the sum of non-adjacent interior angles:</u>

4x + 7 + 6x - 9 = 118
10x - 2 = 118
10x = 120
x = 12

m∠L = 4*12 + 7 = 48 + 7 = 55°

<u>The triangles are congruent and corresponding sides are equal:</u>

3x - 5 = 2x + 1
3x - 2x = 1 + 5
x = 6

<u>Side lengths are:</u>

3*6 - 5 = 13

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3 years ago

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schepotkina [342]

Answer:

Step-by-step explanation:

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4 years ago