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Schach [20]
4 years ago
9

Round to the nearest whole dollar: $9.49

Mathematics
1 answer:
Vsevolod [243]4 years ago
8 0

Answer: $9

Step-by-step explanation:  Rounding $9.49 to the nearest dollar consider the tenths’ value of $9.49. Which is 4 and less than 5. Therefore, we have to round the amount down: the dollar ones place value of $9.49, $9, remains $9, and the decimal point and all digits (.49) are removed.

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What is the lateral area of the drawing?
aleksley [76]

40 mi² is your answer


They are 4 equal rectangle.

Area rectangle = w * l

5 * 2 = 10 mi² (area 1 rectangle)

then you multiply by 4

10 * 4 = 40 mi²

or

5 * 2 * 4 = 40 mi²

8 0
3 years ago
Triangle D E F is shown. The length of E F is 10, the length of D F is 7, and the length of D E is 12. What information relevant
Zarrin [17]

Answer:

34.98 square units.

Step-by-step explanation:

It is given that DEF is a triangle, EF=10, DF=7 and DE=12.

Information of sides of triangle is relevant to calculating area.

We should use Heron's formula.

According to Heron's formula, the area of triangle is

A=\sqrt{s(s-a)(s-b)(s-c)}

where,  

s=\dfrac{a+b+c}{2}

For triangle DEF, let a=10, b=7 and c=12.

Now,

s=\dfrac{10+7+12}{2}=\dfrac{29}{2}=14.5

Area of triangle is

A=\sqrt{14.5(14.5-10)(14.5-7)(14.5-12)}

A=\sqrt{14.5(4.5)(7.5)(2.5)}

A=\sqrt{1223.4375}

A=34.977671

A\approx 34.98

Therefore, the area of triangle DEF is 34.98 square units.

8 0
4 years ago
Read 2 more answers
Solve the inequality. then, graph the solution. <br><br> fill in the boxes to solve the inequality .
fenix001 [56]

Answer:

b < 64

First box: 8

Second box: 8

Third box: <

Fourth box: 64

*Look carefully so you don't enter the wrong numbers*

Step-by-step explanation:

\frac{b}{8} < 8

8*\frac{b}{8} < 8*8

b < 64

*View attach graph*

Hope this helps!

8 0
3 years ago
Product of (2+x) and (2-x) is​
mafiozo [28]

Use FOIL,

(2+x)(2-x)=4-2x+2x-x^2=4-x^2.

8 0
3 years ago
Read 2 more answers
Help pls thx u! :))))))
sp2606 [1]

Step-by-step explanation:

0.8/1 = x/1.5

Cross multiplication is applied here

0.8 × 1.5 = 1 × x

1.2 = x

Therefore, x = 1.2

Hope it helps.

Stay safe and blessed.

5 0
2 years ago
Read 2 more answers
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