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4 years ago

WILL MARK BRAINLIEST IF RIGHT NEED IT ASAP Evaluate the expression for j = 5. 2j^2 =

Mathematics

2 answers:

postnew [5]4 years ago

8 0

Answer: 50

Step-by-step explanation:

To evaluate the expression, you want to plug j into the expression and solve.

2(5)² [exponent]

2(25) [multiply]

After plugging in j=5, we found that the expression is equal to 50.

lisov135 [29]4 years ago

4 0

Answer:

Step-by-step explanation:

your expression: 2j²

plug in j = 5: 2(5)²

solve for the exponent: 2(25)

multiply: 50

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A lies on a bearing of 040° from B.<br>Calculate the bearing of B from A.

Nimfa-mama [501]

Answer:

220°

Step-by-step explanation:

The bearing of B from A is

180° + 40° = 220°

4 0

3 years ago

9. Plot the points A (-2,3), B(2,-3), C(2,3) ,D(-2,3) join the points and find the distance between each point.

pav-90 [236]

Answer:

AB=7.21 unit

BC=6 unit

CD=7.21 unit

AD= 6 unit

AC=4 unit

BD=4 unit

Step-by-step explanation:

Coordinates of A =(-2,3)

Coordinates of B = (2,-3)

Coordinates of C = (2,3)

Coordinates of D =(-2,-3)

Distance formula : $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$A=(x_1,y_1)=(-2,3)\\B=(x_2,y_2)=(2,-3)\\AB = \sqrt{(2+2)^2+(-3-3)^2}$

AB=7.21 unit

$B=(x_1,y_1)=(2,-3)\\C=(x_2,y_2)=(2,3)\\BC=\sqrt{(2-2)^2+(3+3)^2}$

BC=6

$C=(x_1,y_1)=(2,3)\\D=(x_2,y_2)=(-2,-3)\\CD=\sqrt{(-2-2)^2+(-3-3)^2}$

CD=7.21

$A=(x_1,y_1)=(-2,3)\\D=(x_2,y_2)=(-2,-3)\\AD=\sqrt{(-2+2)^2+(-3-3)^2}$

AD=6

$A=(x_1,y_1)=(-2,3)\\C=(x_2,y_2)=(2,3)$

$AC=\sqrt{(2+2)^2+(3-3)^2}$

AC=4

$B=(x_1,y_1)=(2,-3)\\D=(x_2,y_2)=(-2,-3)$

BD= $\sqrt{(-2-2)^2+(-3+3)^2}$

BD=4

4 0

3 years ago

Read and answer the problems.

kramer

Answer: 3

Step-by-step explanation:

105-18=87/7 12 12*7+18=102 so he was playing with three white marble

3 0

3 years ago

Read 2 more answers

-2(6+s) < -16 + 2s<br><br> What is the answer

topjm [15]

Answer:

s>1 or 1<s

Step-by-step explanation:

-2(6+s)<-16+2s

-12-2s<-16+2s

4<4s

1<s

5 0

4 years ago

A farmer collects 12 dozen eggs for her chicken. She sells 56 of the eggs at the farmers market and give the rest to friends and

Mama L [17]

she have 12 dozen eggs however she sells only 56 eggs

since in one dozen 12 eggs so 56/12 = 4.6 times $4.50 = 20.70

3 0

3 years ago