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Lunna [17]
3 years ago
7

Two numbers that add to -4 and multiply to -45.

Mathematics
1 answer:
cricket20 [7]3 years ago
5 0

Answer:

-9 and 5 make -4 and -45

Step-by-step explanation:

-9 and 5 make -4 and -45

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Please Help!!
algol13
When you see questions of this nature, test the individual inequalities and look out for their intersection.

For
y < \frac{2}{3} x
Choose a point in the lower or upper half plane created by the line
y = \frac{2}{3} x
The above line is the one which goes through the origin.

Now testing (1,0) yields,

0 < \frac{2}{3} (1)
That is,

0 < \frac{2}{3}
This statement is true. So we shade the lower half of
y = \frac{2}{3} x

For
y \geqslant - x + 2
We test for the origin because, it is not passing through the origin.

0 \geqslant - (0) + 2
This yields
0 \geqslant 2
This statement is false so we shade the upper half.

The intersection is the region shaded in B. The top right graph
8 0
3 years ago
TanA+tan(60+A)+tan(120-A)=3tan3A​
Volgvan

Answer: not and identity

Step-by-step explanation:

3 0
3 years ago
Suppose you're thinking about buying one of two cars. Car it will cost $17,655. Who can expect to pay an average of $1230 Per ye
Reil [10]

Answer:

9 years

Step-by-step explanation:

A= 17655 + 1230Years

B= 15900+1425years

A=B: 1755=195years

years= 1755/195

years= 9

7 0
3 years ago
a regular hexagonal nut of side 1 cm and length 3 cm with a central hole of diameter 1 cm. 3 cm 1 cm 1 cm. Calculate the volume
Bogdan [553]

Answer:

  5.44 cm³

Step-by-step explanation:

The volume of the hexagonal nut can be found by multiplying the area of the end face by the length of the nut. The end face area is the difference between the area of the hexagon and the area of the hole.

The area of a hexagon with side length s is given by ...

  A = (3/2)√3·s²

For s=1 cm, the area is ...

  A = (3/2)√3(1 cm)² = (3/2)√3 cm²

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The area of a circle is given by ...

  A = πr²

The radius of a circle with diameter 1 cm is 0.5 cm. Then the area of the hole is ...

  A = π(0.5 cm)² = 0.25π cm²

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The volume is the face area multiplied by the length, so is ...

  V = Bh = ((3/2)√3 -0.25π)(3) . . . . . cm³

  V = (9/2)√3 -0.75π cm³ ≈ 5.44 cm³

The volume of the metal is about 5.44 cm³.

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2 years ago
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