3 years ago

PLZ help 30 points PLZ help ASAP

Mathematics

2 answers:

Musya8 [376]3 years ago

8 0

Answer:A

Step-by-step explanation:

Inga [223]3 years ago

3 0

Answer:

100 it is only c and only c

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25% of students on a field trip wear glasses. If 40 students are on the trip how many do not wear glasses?

weqwewe [10]

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Step-by-step explanation:

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4 years ago

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Triangle DEF is on a coordinate plane with its

antoniya [11.8K]

Answer:

$21\ \text{square units}$

Step-by-step explanation:

The points are $D(-3,5), E(-3,-2)$ and $F(3,0)$ .

Area of a triangle is given by

$A=\dfrac{D_x(E_y-F_y)+E_x(F_y-D_y)+F_x(D_y-E_y)}{2}$

$\Rightarrow A=\dfrac{-3(-2-0)+-3(0-5)+3(5-(-2))}{2}$

$\Rightarrow A=21\ \text{square units}$

The area of the given triangle is $21\ \text{square units}$ .

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3 years ago

A student writes the equation for a line that has a slope of -6 and passes through the point (2, –8).

Mariulka [41]

In the third step, y-(-8) is the same as y+8. Therefore, it is not correct to add 8 on to both sides. Instead, the student should have subtracted it from both sides.

y-(-8)=-6x+12
y+8=-6x+12
y=-6x+4

7 0

4 years ago

A prism is to a pyramid as a cylinder is to a _______<br>choices: sphere , polygon , Circle , cone

iren2701 [21]

Answer:

Circle

Step-by-step explanation:

All the bases are circles, so therefore a <u>cylinder is to a circle.</u>

3 0

3 years ago

Which is the graph of f(x) =3 sqrtx/4?

Ket [755]

Step-by-step explanation:

f(x) = 3√x /4

x=0 => y = 0

x=1 => y = 0.75

x=4 => y = 1.5 ==> (4, 1.5)

x=16=>y= 3

the right answer is the second graph

3 0

3 years ago