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Masteriza [31]
3 years ago
11

Can someone help me with this question please?!

Mathematics
1 answer:
Alborosie3 years ago
7 0

Answer:

H. $26

Step-by-step explanation:

$6.50 x 4 = 26. The cost is exact.

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What is the distance between the points (4,5) and (10,13) on a coordinate plane?
Readme [11.4K]
The distacne between the points (x1,y1) and (x2,y2) is
D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
so the distance between (4,5) and (10,13) is
well, first
x1=4
y1=5
x2=10
y2=13
so

D=\sqrt{(10-4)^2+(13-5)^2}
D=\sqrt{(6)^2+(8)^2}
D=\sqrt{36+64}
D=√100
D=10
the distance is 10 units
7 0
3 years ago
Use the law of cosines to find the balue of cos 0 . Round to answer to two decimal places
chubhunter [2.5K]

Answer:

C

Step-by-step explanation:

Using the law of cosines then cosΘ is the following quotient

cosΘ = \frac{a^2+b^2-c^2}{2ab}

where a = 5.8, b = 10.5 and c = 10.9

cosΘ = \frac{5.8^2+10.5^2-10.9^2}{2(5.8)(10.5)}

        = \frac{33.64+110.25-118.81}{121.8}

        = \frac{25.08}{121.8} = 0.21 → C

6 0
3 years ago
How do you solve fractions and multiplication in algebraic, ex:1/3× -4​
Setler79 [48]

Answer: x=12

Step-by-step explanation:

1/3 x -4

1/3x=4               <---- First add 4 to each side of the equation (moves the "-4")

1/3x(3)=4(3)     <---- Muliply each side by "3" to get rid of the fraction

x=12

3 0
3 years ago
Evaluate f(x) = 2x +3 for f(4)<br> a-11<br> b-8<br> c-4<br> d-3
Scrat [10]

Answer:

the answer is a-11

Step-by-step explanation:

f(x)=2x+3

f(4)=2(4)+3

f(4)=8+3

f(4)=11

5 0
2 years ago
The addition law is potentially helpful when we are interested in computing the probability of
AleksandrR [38]

Answer:

The union of two event

Step-by-step explanation:

Addition law of probability  define that probability of two event  is total sum of probability of any event subtract the probability of both events

There are two rules  in addition law:

Addition law 1 -  when both event are mutually exclusive, then probability of either event is the sum of each event probability.

P( A or B) = P(A) +P(B)

Addition law 2 -  when both events are non mutually exclusive then there in addition to the individual probability there is some overlap .

P( A or B) = P(A) +P(B) - P(A and B)

4 0
3 years ago
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