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Dima020 [189]
4 years ago
11

Rewrite the expression by using grouping symbols. y • 4 + y • z

Mathematics
2 answers:
Free_Kalibri [48]4 years ago
4 0

Step-by-step explanation:

the answer is B. y (4 + z)

patriot [66]4 years ago
3 0

Answer:

B.y(4+z)

Step-by-step explanation:

We are given that an expression

y\cdot 4+y\cdot z

We have to rewrite the expression.

To rewrite the expression we will take common y from given two terms in the expression.

y\cdot 4+y\cdot z  (given )

Taking common out y from two given terms in the expression

y(4+z)

Therefore, the expression can be written as

y(4+z)

Hence, the option B is true.

B.y(4+z)

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Slove for x<br> 4 ( 4x+15)=24
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Answer:

x=-9/4

Step-by-step explanation:

4(4x+15)=24 - divide both sides

4x+15=6 - move constant to the right

4x=6-15 -solve for the difference

4x=-9 - divide both sides

4 0
3 years ago
Solve the following equation for 0° ≤ θ &lt; 360°. Use the "^" key on the keyboard to indicate an exponent. For example, sin2x w
never [62]

<u>Answer-</u>

\boxed{\boxed{x=90^{\circ},270^{\circ}}}

<u>Solution-</u>

The given equation-

\Rightarrow 2\sin^2 x-\cos^2 x-2=0

As

\sin^2 x+\cos^2 x=1\ \ \Rightarrow \cos^2 x=1-\sin^2 x

Putting this,

\Rightarrow 2\sin^2 x-(1-\sin^2 x)-2=0

\Rightarrow 2\sin^2 x-1+\sin^2 x-2=0

\Rightarrow 3\sin^2 x-3=0

\Rightarrow 3\sin^2 x=3

\Rightarrow \sin^2 x=1

\Rightarrow \sin x=\sqrt1

\Rightarrow \sin x=\pm 1

\Rightarrow \sin x=1,\ \sin x=-1

\Rightarrow x=\sin^{-1}(1),\ x=\sin^{-1}(-1)

\Rightarrow x=90^{\circ}+n360^{\circ},\ x=270^{\circ}+n360^{\circ}

Where n=0, 1, 2, ......

As given 0° ≤ x < 360°, so putting n = 0

\Rightarrow x=90^{\circ},\ x=270^{\circ}


3 0
4 years ago
I need help understanding this ASAP PLZ!!!!
MAXImum [283]

Answer:

x\geq -2

Step-by-step explanation:

well the values for x are from -2 to ∞

so we can write it as

x\geq -2

5 0
3 years ago
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The answer should be

228

3 0
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Answer:

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Step-by-step explanation:

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