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azamat
2 years ago
12

7th grade math. Easy but hard for me

Mathematics
2 answers:
alekssr [168]2 years ago
8 0
Feel free to ask me if you didn't understand a part

vivado [14]2 years ago
6 0

Answer:

∠YDC = 140°

∠FAB = 75°

Step-by-step explanation:

17)
The equation

13x-3=55+3x+2

13x-3x=55+2+3

10x=60\\x=60/10=6

∠FAB = 13(6) - 3 = 78 - 3 = 75°

18)

The equation

15x+5=80+6x+6

15x-6x=80+6-5

9x=81\\x=81/9=9

∠YDC = 15(9)+5 = 135 + 5 = 140°

Hope this helps

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denis-greek [22]

Simplify the <u>expression</u>.

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4 0
3 years ago
Please help me!!<br> (x+5) (x-2)<br> Any work out or help would be appreciated!!<br> Thanks! :)
Lostsunrise [7]

Answer:


Step-by-step explanation:

If you treat (x+5) as a single value and (x-2) as the values of x and +2, you can distribute (x+5) to x and +2: ( (x-5)*x + (x-5)*2 ). Then you can treat x-5 as the values of x and -5 and distribute those to the numbers next to them: (×^2 - 5x) + (2x - 10). This results in x^2 -3x - 10.


4 0
3 years ago
Jane is having difficulty deciding whether to put her savings in the Mystic Bank or in the Four Rivers Bank. Mystic offers a 12%
storchak [24]

Jane must therefore deposit her savings in the four rivers bank.

<h3>What is compound interest?</h3>

Interest that is added to a loan and deposit sum is known as compound interest. In our everyday lives, it is the notion that is employed the most frequently. Compound interest is calculated as a sum using the interest and principal accrued over time. Compound interest versus simple interest differ primarily in this way.

As per the data provided in the question,

Rate, r = 12%

After five years, the total amount, if Jane had saved at Mystic Bank,if Jane had saved at Mystic Bank would be:

A = P(1+\frac{r}{100} )^n

For compounded quarterly,

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A = 40000(1 + 12/(4 × 100))²⁰

A = 72244.44     (i)

If Jane placed her savings with the Four Rivers, then,

A = 40000(1 + 14/(2 × 100))¹⁰

A = 40000 × 1.9671

A = 78686.054  (ii)

Therefore, it is evident that case (ii) is higher than case (i). Jane must therefore deposit her savings in the four rivers bank.

To know more about Compound Interest:

brainly.com/question/29335425

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6 0
1 year ago
Help please, here is the direct question
Delvig [45]

Answer:

(a) $ \frac{4}{9} $

(b) -6, 2

Step-by-step explanation:

Given: g(x) = x + 1

h(x) = (x + 6)(x - 2)

Therefore, $ \frac{g(x)}{h(x)} = \frac{x + 1}{(x + 6)(x - 2)} $

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$ \implies \frac{g}{h}(3) = \frac{4}{9 . 1} = \frac{4}{9} $

Therefore, g/h(3) = 4/9

(b) Values not in domain means we have to determine for which values of x the function becomes undefined.

This happens when the denominator becomes zero.

That means h(x) = 0

⇒ (x + 6)(x - 2) = 0

⇒ x = -6 or x = 2

Therefore, when x takes one or both of these values we can say that the function $ \frac{g}{h} $ becomes undefined.

6 0
4 years ago
Help<br><br> solve 2x+4=10<br><br> Brainliest
Tom [10]

❤️ The answer is attached

achievements.

5 0
3 years ago
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