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artcher [175]
4 years ago
10

(100-2x)\2 =,<,or> 4x(x + 1

Mathematics
1 answer:
saveliy_v [14]4 years ago
8 0
X= -5/8-5/8√33 or x= -5/8+5/8 √<span>33</span>
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Manert’s grandfather put $4100 in the bank for him when he was born. The account has been earning 6.5% interest compounded annua
Travka [436]

Answer:

Ans: $19,793

Step-by-step explanation:

Compound interest:

A = P(1+6/100)²⁵

= 4100(1+0.065)²⁵

=19,793

3 0
2 years ago
A cylindrical hole is bored through a steel block, and a cylindrical piston is machined to fit into the hole. The diameter of th
prisoha [69]

Answer:

The diameter of the hole is 20.04 ± 0.01 cm

The diameter of the piston is 19.92 ± 0.04 cm.

We are given that The clearance is one-half the difference between the diameters.

So, Clearance = \frac{1}{2}(20.04-19.92)

                      = 0.06

Uncertainty in the estimate =  \frac{1}{2}(0.01+0.04)

                                              =  0.025

So, Clearance with uncertainty is 0.06\pm 0.025

Hence  the clearance is 0.06 and the uncertainty in the estimate. is 0.025

                       

3 0
4 years ago
lea invests 3,466 in a savings account with a fixed annual interest rate of 7% compound continuously what will the account balan
arlik [135]
The account balance after 10 years will be 5,892.2
5 0
3 years ago
Let vector a={1,1,1} and b={2,-1,-1} the angle between two vectors is
ella [17]

Answer: The answer will probabily be "undfined" or "error"

Step-by-step explanation: firtst u need to find the dot product of both a and  b (a.b).

then the magnitude of both (√a ,√b)

then u substitute them into the equation

∅=cos-1(a.b/√a x √b)

u will find it to be error bcoz  it will be (0/√3 x 0)

5 0
3 years ago
Evaluate 3xy + b if x = -4 ,y = 2 , and b = 5
olga2289 [7]

Answer:

-19

Step-by-step explanation:

ok so since they give you all the variables you can substitute their values

for example instead of 3xy you can write 3*(-4)y

so that is the basic idea for this problem

after substituting, the new equation is 3*(-4)*2 +5

i plan on using order of operations, or PEMDAS

3*(-4)=(-12)

(-12)*2=(-24)

-24+5=-19

so the answer is -19

hope this helps!

3 0
3 years ago
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