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4 years ago

What is (+8)x(-3)=

Mathematics

1 answer:

Arada [10]4 years ago

7 0

(+8)x(-3)=-24 so A
Hope this helps have a nice day

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Find the value of cos J rounded to the nearest hundredth, if necessary.

WARRIOR [948]

$\green{\huge{\red{\boxed{\green{\mathfrak{QUESTION}}}}}}$

Find the value of cos J rounded to the nearest hundredth

$\bold{ \red{\star{\blue{GIVEN }}}}$

HYPOTHESES= 13

PERPENDICULAR= 12

BASE = ?

$\bold{\blue{\star{\red{TO \: \: FIND}}}}$

$\cos(j) = ?$

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PYTHAGORAS THEROM
$\cos(j) = \frac{ BASE}{HYPOTENUSE}$

$\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}$

${h}^{2} = {p}^{2} + {b}^{2}$

${13}^{2} = {12}^{2} + {x}^{2} \\ 169 - 144 = {x}^{2} \\ 25 = {x}^{2} \\ \sqrt{25} = x \\ 5 = x = base$

$\cos(j) = \frac{ BASE}{HYPOTENUSE}$

$\cos(j) = \frac{5}{13} \\ \cos(j) = 0.34$

3 0

3 years ago

Read 2 more answers

The sum of two numbers is twenty-one the larger number is three more than twice the smaller number . What are the two numbers ?

Allushta [10]

Answer:

6 and 15

Step-by-step explanation:

n1 + n2 = 21

2(n1) + 3 = n2

n1 = 6

n2 = 15

6 + 15 = 21

6 0

3 years ago

A coordinate grid is placed over a map and every unit represents 1 mi. The point at (3, 8) represents the location of the baseba

alexira [117]

The distance between 2 points $( x_{1}, y_{1})$ and $( x_{2}, y_{2})$ on the coordinate plane is $\sqrt{(x_{2}-x_{1})^2-(y_{2}-y_{1})^2}$
So the distance between the given points is $\sqrt{(7-3)^2+(-2-8})^2}= \sqrt{4^2+(-10)^2}= \sqrt{16+100}= \sqrt{116}=10.8$
As every unit is 1 mile, so the distance should be 10.8*1=10.8miles.

Hope this helps.

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4 years ago

What is the solution to 2sin^(2)x+sinx+1=0

Alexus [3.1K]

Well you can try rewriting it to this

answer is d 270

first start of by factoring and subtracting the 1 into the right side

sin(x) ( 2 sin (x) + 1) = -1

set each one equal to -1

sin( x) = -1 and 2 sin (x) +1 = -1

2 sin (x) = -2
sin ( x) = -1
so therefore we have our final equation

sin ( x ) = - 1 and sin (x) = -1

so then you look in your unit circle and find what coordinate equals -1 in terms of sin x

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4 years ago

A shape is shown on the graph: A coordinate plane is shown. Triangle ABC has vertices 3 comma 0, 3 comma negative 3, and 1 comma

soldi70 [24.7K]

What are the given answers?

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4 years ago