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Paladinen [302]
1 year ago
10

Simplify the expression: 2x+1bx8

Mathematics
1 answer:
denis-greek [22]1 year ago
7 0

Answer:

2x+8b

Step-by-step explanation:

First since 1 and 8b are on the same side mutiply them:

1bx8=8b

So our new equation is 2x+8b

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What is 0.72 as a percentage?
Ket [755]
.72 is 72%. Just move the decimal point two places to the right.
6 0
2 years ago
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Find dy/dx of y=csc(square root of x)
Vitek1552 [10]

Answer:

y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}

Step-by-step explanation:

y = csc x

y' = -cot x csc x

y = \csc \sqrt{x}

y' = \dfrac{d}{dx} [\csc \sqrt{x}]

y' = (-\cot x \csc x) \dfrac{d}{dx} \sqrt{x}

y' = (-\cot x \csc x) \dfrac{d}{dx} x^{\frac{1}{2}}

y' = (-\cot x \csc x) \dfrac{1}{2} x^{-\frac{1}{2}}

y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=0.4" id="TexFormula1" title="0.4" alt="0.4" align="absmiddle" class="latex-formula"><br>what f
andrey2020 [161]

Answer:

0.4 is equal to the fraction <u>2/5</u>

Step-by-step explanation:

0.4 = 4/10

= 2/5

Thus, 0.4 = 2/5

Hope it helps.

8 0
3 years ago
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Morgan’s grandmother orders her groceries online and has them delivered to her house. Her bill is $120. She has a coupon for 20%
iragen [17]

Answer:

The total price of the groceries, including discount and tip is $110.4.

Step-by-step explanation:

Here, the bill amount of groceries   = $120

Now, the coupon off  = 20%

Calculating the discount, we get

20% of bill amount $120  =   20% of 120  = \frac{20}{100}  \times 120  = 24

So, the 20% discount on the bill amount = $24

The actual payable amount = Bill Amount  - Discount

                                                =  $120 - $24  = $96

Now, 15% tip is also applied on the actual payable amount $96.

15% of 96 = \frac{15}{100}  \times 96  = 14.4

So, the total price t  = Payable amount + Tip amount

                                 = $96 +  $14.4   =  $110.4

or, t = $110.4

Hence, the total price of the groceries, including the discount and the tip  is  t = $110.4.

6 0
3 years ago
Answer the questions
Mnenie [13.5K]

Answer:

c) x= 15

d) x= 5

Step-by-step explanation:

c)4x + 5+ 7x +10=180

solve it like usually

for d) 3x + 15+12x=90

8 0
2 years ago
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