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3 years ago

The product of 7/10 and another factor

Mathematics

1 answer:

murzikaleks [220]3 years ago

4 0

Answer:a

Step-by-step explanation:Because four divide by three is one point and thirty three

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The total charge on 7 particles is −42 units. All the particles have the same charge.

qwelly [4]

If they have the same charge
x+x+x+x+x+x+x=-42
7x=-42
x=-6
so to check our answer
-6-6-6-6-6-6-6=-42
-12-12-12-6=-42
-24-18=-42
-42=-42

5 0

4 years ago

Read 2 more answers

A store is having a sale on almonds and jelly beans. For 3 pounds of almonds and 5 pounds of jelly beans, the total cost is $19

yaroslaw [1]

Answer:

Almond: $7/4 per pound

Jelly Bean: $ 11/4 per pound

Step-by-step explanation:

A: almond

J: jelly bean

3A + 5J = 19 .... multiply 9 each side

27A + 45J = 171 .....(1)

9A + 7J = 35 .....multiply 3 each side

27A + 21J = 105 ....(2)

(1) - (2) 24J = 66

J = 66/24 = 11/4

3A + 5 x 11/4 = 19

3A = 21 / 4

A = 7/4

6 0

3 years ago

Help Select all equations that are true.

Maru [420]

Answer:

ohh what this

Step-by-step explanation:

4 0

3 years ago

1+Sin/Cos + Cos/1+Sin = 2Sec

Bond [772]

Step-by-step explanation:

Consider the left-hand side:

$\dfrac{1+\sin{\theta}}{\cos{\theta}} + \dfrac{\cos{\theta}}{1+\sin{\theta}}$

$\:\:\:\:= \dfrac{(1+\sin{\theta})^2 + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{1+2\sin{\theta}+\sin^2{\theta} + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{2+2\sin{\theta}}{\cos{\theta}(1+\sin{\theta})} =\dfrac{2(1+\sin{\theta})}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:= \dfrac{2}{\cos{\theta}} = 2\sec{\theta}$

7 0

3 years ago

What is the solution of -4x = 100? O x=-2500 Ox=-50 Ox=-2.5 O no solution

In-s [12.5K]

Answer:

$x=-25$

(None of the answer choices you've provided match the correct answer.)

Step-by-step explanation:

Given:

$-4x=100$

To find the solution (what $x$ equals), we must divide both sides of the equation by the coefficient of

$x=25$

Therefore, the solution of $-4x=100$ is $x=-25$ .

We can check our work by substituting the solved value of $x$ into the given equation:

$-4x=100$

$-4(-25)=100$

$100=100$

Since both sides of the equation are equal to each other, our solution is correct!

6 0

3 years ago