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sweet-ann [11.9K]
3 years ago
6

Multiply: 6.5 x 4.3

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0

The answer is 27.95                                            

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Trigonometry, can anybody help??
WINSTONCH [101]

Answer:

angle B: 39

AC: 7.288

AB: 11.58

(note: you cut off the part about rounding so make sure that it's rounded correctly before you put in your answer)

Step-by-step explanation:

To solve this we will use SOH, CAH, TOA

we have the angle and the one opposite to it which means we can use either SOH or TOA

let's use TOA

tan(51)=(9/x)

x= 7.288

We can now use pahtagaryous theroem to solve for the hyptonouse

we have

9²+7.288²=C²

C=11.58

Finally, to find angle B we will recall that the angles of a triangle must add to 180.

51+90+a=180

a=39

5 0
3 years ago
ROSSEL
malfutka [58]

Answer:

√41

Step-by-step explanation:

4^2+5^2

16+25=41

√41

8 0
3 years ago
Read 2 more answers
Percy paid 24.10 for a basketball. The price of the basketball was 22.99. what is the sales tax rate
blondinia [14]
$1.11 is the sales tax rate
6 0
3 years ago
Read 2 more answers
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure anti
Lesechka [4]

Let x = amount of 45% antifreezeLet y = amount of 70% antifreeze     EQUATION 1:   x + y = 150    (total of 150 gallons mixed)     EQUATION 2:  .45x + .75y = .55(x + y) Simplify and solve the system of equations     Multiply second equation by 100 on both sides to remove the decimals           45x + 75y = 55(x + y)     Combine like terms           45x + 75y = 55x + 55y           45x - 55x + 75y - 55y = 0             -10x + 20y = 0       Now we have the following system of equations:              x  +    y = 150        -10x + 20y =     0     Multiply the first equation by -10 to get opposite coefficients for x;  add the equations to eliminate x           10x + 10y = 1500         -10x + 20y =       0        ------------------------------                    30y = 1500      Solve for y            30y = 1500                y = 50      Since the total mixed gallons is 150, x = 150 - 50 = 100 So we need 100 gallons of the 45% antifreeze and 50 gallons of the 70% antifreeze

5 0
3 years ago
I don’t know what to do
Gre4nikov [31]

Answer:

is it on a website or paper?

Step-by-step explanation:

6 0
3 years ago
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