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mr_godi [17]
3 years ago
14

Bobby built twice as many forts as his brother. If his brother built 6 forts , how many did bobby build?

Mathematics
2 answers:
Bad White [126]3 years ago
8 0

Answer:

12 forts

Step-by-step explanation:

6x2=12

Rudik [331]3 years ago
6 0

Bobby built 12 forts

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. Kite QRST has a short diagonal of QS and a long diagonal of RT. The diagonals intersect at point P. Side QR = 17m, diagonal QS
trapecia [35]

Answer:

495 meter²

Step-by-step explanation:

In the given kite QRST,

PQ = PS = 15 meter

QR = 17 meter

We have to find the area of the kite.

Since kite is in the form of a rhombus.

and rhombus is = \frac{1}{2}  (Diagonal QS) × (Diagonal RT)

In Δ QRP,

17² = 15² + RP²

\sqrt{17^{2}-15^{2}} = RP

RP=\sqrt{289-225}

= √64 = 8 meters.

So RT = RP + PT = 8 + 25 = 33 meter.

Now area of kite = \frac{1}{2} (30) (33) = 495 meter²

6 0
3 years ago
5. A monument casts a 78 ft. shadow at the same time that a vertical yardstick casts a 4.5 ft. shadow. How high is the monument?
rodikova [14]

Hello,

Using Thalès 's theorem:

Let's h the height of the monument.

\dfrac{1}{h} =\dfrac{4.5}{78} \\\\h=\dfrac{78}{4.5} =\dfrac{156}{9} \approx{17.3\ (ft)}

If you don't know what is the Thalès's theorem,

imagine that the similar triangles.

5 0
2 years ago
The workers leave the lights on in the break room for stretches of about 3 hours.
Pie

Answer:

Halogen

Step-by-step explanation:

Halogen is a little more efficent but not as efficient as LED lighting.

4 0
2 years ago
Pete played in two basketball games he scored 4 fewer points in the second game then he scored in the first he scored 12 in the
Brut [27]

Answer: 16 points


Step-by-step explanation:

12+4=16 You have to add 4 points to the 12 points he got on the second game because in the problem it says that the second game had 4 fewer points then the first.

3 0
3 years ago
If the perimeter of this quadrilateral is 79 inches, what is the measure of the missing side length in inches?
Ilia_Sergeevich [38]

Answer:

79 = 13+15+24+ missing side. 79 = 52 + missing side

4 0
2 years ago
Read 2 more answers
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