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3 years ago

Attachment Mathswatch!!

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

8 0

Answer:

1, 3, 5, 9

Step-by-step explanation:

-1—— 3, 5—— 9

Answers to the grid

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Can someone help me pls thanks

patriot [66]

If 4600 corresponds with 100, multiply 4600 by .09 and you get 414.

Also:

46 * 9 = 414

5 0

3 years ago

Solve the equation 4c^2+7c-5=0 using the quadratic formula.

solmaris [256]

$c = \frac{-7+\sqrt{129} }{8} ,\frac{-77-\sqrt{129} }{8}$

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3 years ago

Solve and graph and plot this on the line

alexira [117]

X less than or equal to (< with the line underneath) -3 or x>0

7 0

3 years ago

15. In AABC if mZA is thirteen less than mzC and mZB is eleven less than four times m

vlabodo [156]

Answer:

$m\angle A=21$ °

$m\angle B=125$ °

$m\angle C=34$ °

Step-by-step explanation:

Let the measure of angle C be $x$ °.

Given:

In triangle ΔABC,

$m\angle A$ is thirteen less than $m\angle C$ and $m\angle B$ is eleven less than four times $m\angle C$ . This gives,

$m\angle A = x-13$

$m\angle B=4x-11$

Also, $m\angle C=x$

Now, for a triangle, the sum of all its interior angles is equal to 180°.

Therefore, $m\angle A + m\angle B + m\angle C=180$

Plug in all the values and solve for x. This gives,

$x-13+4x-11+x=180\\6x-24=180\\6x=180+24\\6x=204\\x=\frac{204}{6}=34$

Therefore, measure of angle C is 34°.

Measure of angle A is, $m\angle A=x-13=34-13=21$ °.

Measure of angle B is, $m\angle B=4x-11=4(34)-11=136-11=125$ °.

8 0

3 years ago

Graph the line with slope of 53<br> 5/3 and goes through the point (2,1).

klasskru [66]

Answer:

We kindly invite you to see the image attached for further details.

Step-by-step explanation:

From Analytical Geometry we get that linear functions can be found after knowing a point and its slope. The standard form of a linear function is represented by the following formula:

$y =m\cdot x +b$ (Eq. 1)

Where:

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

$m$ - Slope, dimensionless.

$b$ - y-Intercept, dimensionless.

At first we need to calculate the y-Intercept, which is cleared within (Eq. 1):

$b = y-m\cdot x$

If we know that $y = 1$ , $x = 2$ and $m = \frac{5}{3}$ , then the y-Intercept of the linear function is:

$b = 1-\left(\frac{5}{3} \right)\cdot (2)$

$b = -\frac{7}{3}$

Line with a slope of $\frac{5}{3}$ that goes through the point (2, 1) is represented by $y = \frac{5}{3}\cdot x -\frac{7}{3}$ .

Lastly, we graph the line by using a plotting software (i.e. Desmos), whose result is included below as attachment.

5 0

2 years ago