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Luden [163]
3 years ago
10

Solve each equation mentally: J + 7 = 13

Mathematics
2 answers:
iren [92.7K]3 years ago
6 0

Answer:

6

Step-by-step explanation:

13-7=6

JulijaS [17]3 years ago
4 0

Answer:

j=6

Step-by-step explanation:

You might be interested in
If JOSE is a rhombus and the measure of angle ESO is 124, what is the measure of angle EJS?
Leya [2.2K]

The angle ∠EJS is bisected by the diagonal JS to form an angle of 62°

Response:

  • <u>∠EJS is 62°</u>

<h3>What properties of a rhombus can be used to find ∠EJS = 62?</h3>

Properties of a rhombus:

The lengths of the sides of a rhombus are equal

The measure of the opposite angles of a rhombus are equal

The diagonals bisect the interior angles of a rhombus

Given that JOSE is a rhombus, and ∠ESO = 124°, we have;

∠EJO = ∠ESO = 124° opposite angles of a rhombus

∠EJS = ∠OJS definition of bisected angle ∠EJO

∠EJS + ∠OJS = ∠EJO by angle addition

  • ∠EJS + ∠OJS = 2×∠EJS = ∠EJO = 124°

\angle EJS = \dfrac{124^{\circ}}{2} = \mathbf{62^{\circ}}

  • ∠EJS = <u>62°</u>

Learn more about a rhombus here:

brainly.com/question/10689502

3 0
3 years ago
F(x) = 4x^4 – 2x^3 – 3x^2 + 6x - 9 Find the Zeros Using Descartes' Rule of Signs
Komok [63]

Answer:

So possibilities of zeroes are:

Positive       Negative       Imaginary

   1                    1                   2

   3                   1                   0

Zeroes = -1.4549, 1.2658, 0.34457-1.0503i, 0.34457+1.0503i.  

Step-by-step explanation:

Note: Descartes' Rule of Signs is used to find the signs of zeroes not the exact value.

The given function is

f(x)=4x^4-2x^3-3x^2+6x-9

Degree of polynomial is 4 so number of zeroes is 4.

There are three sign changes, so there are either 3 positive zeros or 1 positive zero.

Now, put x=-x in f(x).

f(-x)=4(-x)^4-2(-x)^3-3(-x)^2+6(-x)-9

f(-x)=4x^4+2x^3-3x^2-6x-9

There is one variation in sign change, so there is 1 negative zero.

So possibilities of zeroes are:

Positive       Negative       Imaginary

   1                    1                   2

   3                   1                   0

Using graphing calculator the zeroes of given function are -1.4549, 1.2658, 0.34457-1.0503i and 0.34457+1.0503i.  

3 0
4 years ago
Help due in 30 min!!!!!!!!!!!!!!!
miv72 [106K]

Answer:

They have the same slope

Step-by-step explanation:

slope=4

8 0
3 years ago
Help me out on this question correct answers only experts,ambitious helppppp!!!
Tasya [4]

Answer:

huh?

Step-by-step explanation:

3 0
3 years ago
Solve the system 3x + 4y = 8 and y = 3/4x — 2 using any method. Classify the system.
Sergeeva-Olga [200]

3x +4y = 8

y = 3/4x - 2

Substitution Method

3x + 4(3/4x -2) = 8

Distributive Property:

3x + 3x -8 = 8

Simplify:

6x -8 = 8

Add 8 to each side:

6x = 16

Divide both sides by 6"

x = 16/6

x = 2 2/3

Now replace x with that and solve for y:

y = 3/4(2 2/3) - 2

y = 2-2 = 0

y=0

4 0
3 years ago
Read 2 more answers
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