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vlabodo [156]
3 years ago
10

Estimate the product of 25.311 × 4.65.

Mathematics
2 answers:
Radda [10]3 years ago
8 0
The best way is to round off the two multiplicands, not to round off the "exact" answer.

Round off 25.311 to 25 and round off 4.65 to 5.  Then the approx. product is 125.
Damm [24]3 years ago
3 0
The answer would be:

<span>117.69615

BUT since it's asking you to estimate, I would put:

"about 117.69"
</span>
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Change 80% to a fraction in its lowest terms.​
qaws [65]

Answer:

4/5

Step-by-step explanation:

80%=80/100 then simplify it.

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3 years ago
Simplify x + 4 + 3x
Ostrovityanka [42]
X+4+3x =
4x+4 (you sum the like terms )
3 0
3 years ago
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Help Me!!!
Zigmanuir [339]
I'll just help quickly with a couple of expressions that are equivalent.
3(m+5+9m)
If you solve it out, you get 3m+15+27m.
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7 0
3 years ago
How do you do this question?
vaieri [72.5K]

Answer:

(-∞, -2), (-2, -0.618), and (1.618, 3)

Step-by-step explanation:

The red plus (+) signs indicate the regions in which the function is concave up, and the red negative (-) signs indicate the regions in which the function is concave down.

Note that the sign of the concavity changes at an inflection point.

Let's examine the intervals given.

(-∞, -2): Yes, concave up.

(-∞, -1.17): No. Concave up in (-∞, -2) but concave down in (-2, -1.17).

(-2, 0): No. Concave down in (-2, -1.17) but increasing in (-1.17, 0.0).

(-1.17, 0.689): Yes. Concave up.

(-0.618, 1.618): No. Concave up in (-0.618, 0.689) but concave down in (0.689, 1.618).

(0, 3): No. Concave up in (0, 0.689), concave down in (0.689, 2.481), and concave up in (2.481, 3).

(2.481, ∞): Yes. Concave up.

The three intervals that are concave up are (-∞, -2), (-1.17, -0.689), and (2.481, ∞).

4 0
3 years ago
I’m confused on this one
Natali [406]
The awnser is 864 just multiply them together
7 0
3 years ago
Read 2 more answers
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