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3 years ago

10

5 cm

2 answers:

artcher [175]3 years ago

6 0

The answer would be E. perimeter is adding

andriy [413]3 years ago

3 0

Answer:

E. 14

Step-by-step explanation:

The shape is clearly a rectangle, from the units given

Perimeter= distance round a shape

Perimeter= 5+5+2+2=14

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What is the value of x?

Artyom0805 [142]

Answer:

X. The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Step-by-step explanation:

6 0

3 years ago

Find the surface area of the regular pyramid

love history [14]

Greetings from Brazil!

$4\dfrac{1}{2} =\dfrac{9}{2}$

$Af1=\dfrac{b\cdot h}{2} \cdot 4\\\\\\Af1=\dfrac{\dfrac{9}{2} \cdot 4}{2} \cdot 4\\\\\\Af1=\dfrac{\dfrac{36}{2} }{2} \cdot 4\\\\\\Af1=\dfrac{18}{2} \cdot 4\\\\Af1=9\cdot 4\\\\Af1=36~m^2$

$Af2=l^2\\\\Af2=(\dfrac{9}{2})^2\\\\\ Af2=\dfrac{81}{4}\\\\Af2=20,25~m^2$

$At=Af1+Af2\\At=36+20,25\\At=56,25~m^2$

I hope I helped you! =)

6 0

3 years ago

I need help with #13

iren2701 [21]

B) m= 1/2
you would use slope formula to find what line passes through those coordinates

7 0

3 years ago

Please help me on this question asap!

alekssr [168]

Answer:

see explanation

Step-by-step explanation:

ΔABE and ΔACD are similar hence the ratios of corresponding sides are equal, that is

$\frac{AB}{AC}$ = $\frac{AE}{ED}$ = $\frac{BE}{CD}$

Using the first pair of ratios then

$\frac{20}{5}$ = 4 = $\frac{26}{ED}$ , hence

4ED = 26 ( divide both sides by 4 )

ED = 6.5 cm

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(b)

Similarly

$\frac{BE}{18}$ = 4, hence

BE = 4 × 18 = 72 cm

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3 years ago

Aaliyah needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer fo

iren2701 [21]

Answer:

you should try adding then subtractung the total to the part

8 0

3 years ago