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Helga [31]
2 years ago
13

Pleasse help! i dont know how to do this one

Mathematics
2 answers:
Elena-2011 [213]2 years ago
6 0
X=110 degrees
a straight line is 180 degrees
Fittoniya [83]2 years ago
3 0

Since a line is 180 degrees, we can make an equation

180-70=x

x=110 degrees

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Use the lim f(x)-f(a)/x-a to find the derivative.
Tresset [83]
Hello,

f(x)-f(a)= -3x²-5x+1-(-3a²-5a+1)=-3(x²-a²)-5(x-a)=-3(x-a)(x+a)-5(x-a)
=-(x-a)(3(x+a)+5)
=-(x-a)(3x+3a+5)

lim (f(x)-f(a))/(x-a)=- lim (3x+3a+5)=3a+3a+5=-6a-5
if a=1==>-6*1-5=-11

Otherwise
f'(x)=-6x-5
f'(1)=-6-5=-11



at point(1,-7)

4 0
3 years ago
Simplify: a/a+3-4/a+5
Katen [24]
A(a+5)+a(3-4) all divided by a(a+5)= a^2+5a+3a-4a all divided by a^2+5a= a^2+4a/a^2+5a
4 0
3 years ago
a pet shelter had 50 puppies when another 6 were adopted in. if 9 puppies a day are adopted, how long would it take them to all
krek1111 [17]
Do you mean 6 puppies were adopted from the 50 or 6 puppies were brought in to be adopted?
7 0
3 years ago
Sally makes deposits into a retirement account every year from the age of 30 until she retires at age 65. a) Sally deposits $125
quester [9]

Answer:

a) $13345.73

b) $ 12095.73

Step-by-step explanation:

<em>a) Formula for compound interest: A = P(1 + r/n)^n*t</em>

<u>Step 1: Write the data</u>

Principal = P = 1250

rate = r = 7% = 7/100 = 0.07

Time = retirement age - starting age = 65 - 30 = 35

n = number of periods = 1 (compounded annually)

Amount = A = ?

<u>Step 2: Apply the data in the formula</u>

A = P(1 + r/n)^n*t

A = 1250 (1 + 0.07/1)^1*35

A = 13345.73

Sally will have $13345.73 in the account when she retires.

<em>b) The total amount from Sally's deposit can be derived by subtracting the total amount found in part a by the amount deposited.</em>

Amount - Sally's deposit = x

x = 13345.73 - 1250

x = 12095.73

The total amount from Sally's deposit is $12095.73. Therefore, the interest given to Sally on her deposit is $12095.73.

!!

4 0
4 years ago
PLSSSSSSS HURRRY
Dennis_Churaev [7]

Answer:

1. 3/5=15m

2. 3/5m=15

3. 3/5+m=15

4. 3/5m=15

5. 3/5/m=15

7 0
3 years ago
Read 2 more answers
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