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olga_2 [115]
2 years ago
5

Describe how to subtract a decimal from a whole number. Use 15 - 12.75 as an example, and determine its solution.

Mathematics
2 answers:
irina1246 [14]2 years ago
8 0

Answer:

2.25

Step-by-step explanation:

just show them your working out

Leni [432]2 years ago
4 0

Answer:

2.25

Step-by-step explanation:

15.00

-12.75

-----------

2.25

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: Find the approximate perimeter of the isosceles triangle A OPD.
AleksAgata [21]

Answer:

24.98 units

Step-by-step explanation:

The picture of the question in the attached figure

we have the coordinates

P(1,-6),D(4,3),O(7,-6)

The perimeter of triangle OPD is equal to

P=OP+PD+OD

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

step 1

Find the distance OP

we have

O(7,-6),P(1,-6)

substitute in the formula

d=\sqrt{(-6+6)^{2}+(1-7)^{2}}

d=\sqrt{(0)^{2}+(-6)^{2}}

d_O_P=6\ units

step 2

Find the distance PD

we have

P(1,-6),D(4,3)

substitute in the formula

d=\sqrt{(3+6)^{2}+(4-1)^{2}}

d=\sqrt{(9)^{2}+(3)^{2}}

d_P_D=\sqrt{90}\ units

step 3

Find the distance OD

we have

O(7,-6),D(4,3)

substitute in the formula

d=\sqrt{(3+6)^{2}+(4-7)^{2}}

d=\sqrt{(9)^{2}+(-3)^{2}}

d_O_D=\sqrt{90}\ units

step 4

Find the perimeter

P=6+\sqrt{90}+\sqrt{90}

P=6+9.49+9.49=24.98\ units

4 0
3 years ago
In the space below, construct a claim as to the effect the television has had on politics. Your claim should be at least 250 wor
hoa [83]
<span>Television has had an immense effect on politics as it has given candidates and parties the ability to convey their messages and policies direct to the masses in the comfort of their own homes. It gives the government of the day the ability to showcase their achievements and for the opposition to oppose. It is a tool that has a wide array of uses that can aide but also destabilise.</span>
3 0
3 years ago
I need to find the value of x for this diagram
Burka [1]
X is 50.  The lengths of the radii extending out from the center to the chords are the same length, therefore, the chords are the same distance from the center and have the same measure.
8 0
3 years ago
20 min to drive between two roads at average speed 45 mph how far apart is the town
Brrunno [24]
About 27 miles. It's 26.666666667
8 0
3 years ago
How to get the base of a parallelogram that has a area of 26 1/2 and a height of 6 5/8?
ioda
The area of all paralellograms can be found by
area=base times height

so
area=26 and 1/2
height=6 and 5/8
convert to improper fractions for ease of use
26 and 1/2=52/2+1/2=53/2
6 and 5/8=48/8+5/8=53/8
so

area=height times base
53/2=53/8 times base
multiply both sides b 8/53 so that we clar the fraction (53/8 times 8/53=424/424=1)
(53 times 8)/(53 times 2)=1base
8/2=1base
4=base

answer is base=4 units
6 0
3 years ago
Read 2 more answers
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