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NARA [144]
3 years ago
14

Convert 7.2 ⋅ 10–3 to standard form.

Mathematics
2 answers:
telo118 [61]3 years ago
5 0
7.2x10^-3--->.0072

you take 7.2 and move the decimal point 3 places to the left
Effectus [21]3 years ago
4 0
Hi.
your answer is .0072
hope this helps!!!
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A triangle PQR is right angled at R, with PQ=80cm and R=60cm. find QR?<br> pythagorus theorem
algol13

Answer:

Solution given:

A triangle PQR is right angled at R, with hypotenuse{h}PQ=80cm

and

base[b]PR=60cm.

perpendicular [P]= QR

<u>by</u><u> </u><u>using</u><u> </u><u>Pythagoras</u><u> </u><u>law</u>

<u>h²</u><u>=</u><u>p²</u><u>+</u><u>b²</u>

80²=QR²+60²

QR²=80²-60²

QR=\sqrt{2800}

QR=20\sqrt{7}=52.9=53cm

<u>QR</u><u>=</u><u>5</u><u>3</u><u>c</u><u>m</u><u>.</u>

5 0
3 years ago
2y-4x=-12 what is the slope intercept
SpyIntel [72]
So you have yo turn it into the correct form first so you add 4x to both sides and come out with 2y=4x-12 them you divide each side by 2 because you have to have to by itself and you come out with y=2x-6 so the slope is 2x and the y intercept is -6
3 0
3 years ago
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Benny has a baseball card collection he has 13,789 cards he wants to put the card in a scrapbook that holds 15 cars on a page ho
Andrews [41]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
In 1925, Zbigniew Morón published a rectangle that could be dissected into nine different sized squares as shown in the diagram.
Vlada [557]

Answer:

Area of the rectangle = 1056 square units

Step-by-step explanation:

Rectangle published could be dissected into nine different squares with different sizes.

Area of the squares with different measure of sides will be,

For side length = 1 unit

Area of the square = (Side)²

= 1²

= 1 square units

For side length = 4 units

Area of the square = 4² = 16 units²

For side length = 7 units

Area of the square = 7² = 49 units²

For side length = 8 units

Area of the square = 8² = 64 units²

For side length = 9 units

Area of the square = 9² = 81 square units

For side length = 10 units

Area of the square = 10² = 100 square units

For side length = 14 units

Area of the square = 14² = 196 square units

For side length = 15 units

Area of the square = 15² = 225 square units

For side length = 18 units

Area of the square = 18² = 324 square units

Total area of the rectangle by adding these 9 squares

= 1 + 16 + 49 + 64 + 81 + 100 + 196 + 225 + 324

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8 0
3 years ago
Can anyone help me with this please
Gennadij [26K]

Answer:

A

Step-by-step explanation:

the other options are constants, option A is the only option that would just be represented by a whole number

6 0
3 years ago
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