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3 years ago

Which types of triangles can be formed by taking the cross-section of a rectangular prism like the one shown above?

Mathematics

2 answers:

Sonja [21]3 years ago

4 0

Answer:

Step-by-step explanation:

Jlenok [28]3 years ago

3 0

Answer:

B.equilateral, isosceles, and scalene

Step-by-step explanation:

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Solve the equation using the distributive property and properties of equality. One-half (x + 6) = 18 What is the value of x? 6 7

butalik [34]

Answer:

The value of x is 30.

We have to find the value of x in the given equation.

Using distributive property

We have,

$1/2(x+6)=18\\a.(b+c)=a.b+a.c\\1/2(x+3)=18\\1/2x=15\\x=3$

other are also solve by this methode;)

6 0

3 years ago

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-4(1+ 5-6- (42+5)<br><br> I really need the answer asap please and thanksss

solniwko [45]

Answer:

Read left to right

Do parenthesis first

-4 ( 1 + 5) ^2

-4 (6) ^2

Then exponent

6^2 = 6 x 6 = 36

-4 x 36 = -144

Then divide

-144 / 6 = -24

Then the next parenthesis

(42+5) = 47

-24 - 47 = <em>-71</em>

Step-by-step explanation:

8 0

2 years ago

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Which are the solutions of x2 = 19x + 1?

Finger [1]

Answer:

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

Step-by-step explanation:

we have

$x^2=19x+1$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-x^{2}-19x-1=0$

$a=1\\b=-19\\c=-1$

substitute in the formula

$x=\frac{-(-19)\pm\sqrt{-19^{2}-4(1)(-1)}} {2(1)}$

$x=\frac{19\pm\sqrt{365}} {2}$

$x=\frac{19+\sqrt{365}} {2}$

$x=\frac{19-\sqrt{365}} {2}$

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

therefore

StartFraction 19 minus StartRoot 365 EndRoot Over 2 EndFraction comma StartFraction 19 + StartRoot 365 EndRoot Over 2 EndFraction

6 0

3 years ago

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Helpppppp guyssss pleaseeeeeee I’m losttt

Nimfa-mama [501]

Answer:

Step-by-step explanation:

Use definition of conditional probability:

$P(A|B)=\dfrac{P(A\cap B)}{P(B)},$

where

A = the student is a freshman,

B = the student is a male

From the table,

$P(B)=\dfrac{4+6+2+2}{4+6+2+2+3+4+6+3}=\dfrac{14}{30}=\dfrac{7}{15}\\ \\P(A\cap B)=\dfrac{4}{4+6+2+2+3+4+6+3}=\dfrac{4}{30}=\dfrac{2}{15}$

So,

$P(A|B)=\dfrac{\frac{2}{15}}{\frac{7}{15}}=\dfrac{2}{7}\approx 0.29=29\%$

3 0

3 years ago

Which is the best description for the graph?

ludmilkaskok [199]

Answer:

B. the graph decreases remains contant then decreases again i beleive

Step-by-step explanation:

4 0

2 years ago

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