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3 years ago

Help me! I'm having trouble with this

Mathematics

1 answer:

harkovskaia [24]3 years ago

6 0

Answer:

Its C. I can't answer the answer in the brainly answers. sorry. But check on Math Papa and put the first equation, the second equation and you will have the graph below. But in conclusion its C.

Step-by-step explanation:

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What is the value of x with clear working out please?

nirvana33 [79]

Answer:

Answer:  x is 46° 

Step-by-step explanation:

• Let's first find Angle ACB

${ \rm{ \angle ACB + 23 \degree + 90 \degree = 180 \degree}} \\ \\ { \rm{ \angle ACB = (180 - 90 - 23) \degree}} \\ \\ { \underline{ \rm{ \: \angle ACB = 67 \degree}}}$

• From alternative angles, x = Angle BAC.

• Since AB = AC, then Angle ABC = Angle ACB

${ \rm{x + \angle ABC + \angle ACB = 180 \degree}} \\ \\ { \rm{x + 67 \degree + 67 \degree = 180 \degree}} \\ \\ { \rm{x + 134 \degree = 180 \degree}} \\ \\ { \boxed{ \rm{x = 46 \degree}}}$

5 0

3 years ago

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Which shows an equation for this situation?

Ivenika [448]

The answer is B) G = 2E +3

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3 years ago

A recipe for pie dough calls for a ratio of butter to flour of 3/4:2 1/2. If you plan to use 10 cups of flour, how much butter s

dybincka [34]

Answer:

Therefore 3 cup of butter should be used to keep the same ratio.

Step-by-step explanation:

Given, a recipe for pie dough calls for ratio of butter to flour of $\frac{3}{4}:2\frac{1}{2}$ $=\frac{3}{4} :\frac{5}{2}$

${butter}:{flour} =\frac{3}{4} :\frac{5}{2}$

$\Rightarrow\frac {butter}{flour} =\frac{\frac{3}{4} }{\frac{5}{2}}$

Let, x cups of butter needed.

Given,Flour = 10 cups

$\therefore \frac {x}{10} =\frac{\frac{3}{4} }{\frac{5}{2}}$

$\Rightarrow {x} =\frac{\frac{3}{4}\times 10 }{\frac{5}{2}}$

$\Rightarrow {x} =\frac{{3}\times 10\times 2 }{5\times 4}}$

$\Rightarrow x= 3$

Therefore 3 cup of butter should be used to keep the same ratio.

3 0

3 years ago

2|x – 3| > 8 x < _____ or x > _____ Please Help :(

trapecia [35]

X>7→because if x=7 the answer is 8 so it should be >7
x<-1→if 2|-1-3|=8. →-2 &-3&-4&...are smaller than -1→x<-1

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3 years ago

Which statement describes the behavior of the function f (x) = StartFraction 2 x Over 1 minus x squared EndFraction?

Daniel [21]

Answer:

Second option: the graph approaches 0 as x approaches infinity.

Explanation:

The function f(x) is:

$f(x)=\frac{2x}{1-x^2}$

When x approach infinity the term x² grows rapidly (more rapid than x), thus 1 - x², which is in the denominator will decrease, become a large negative more rapid than the x in the numerator. Thus you can expect that the function approaches zero.

To prove that in a more analytical way, divide both numerator and denominator by x and simplifiy:

$\lim_{x \to \infty} \frac{2x}{1-x^2}\\\\ \lim_{x \to \infty} \frac{2x/x}{(1-x^2)/x}\\\\ \lim_{x \to \infty} \frac{2}{1/x-x}\\\\\lim_{x \to \infty} \frac{2}{0-x}\\ \\ \lim_{x \to \infty} \frac{2}{-x}\\ \\ \lim_{x \to \infty} -\frac{2}{x}=0$

3 0

3 years ago

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Help me! I'm having trouble with this​

Help me! I'm having trouble with this