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3 years ago

What is (-2)(-5)? Dhdjfhfhhdhd

Mathematics

1 answer:

lbvjy [14]3 years ago

6 0

Answer:

$( - 2)( - 5) \\ - 2 \times - 5 \\ = - 10$

<h2>please mark me brainliest</h2>

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3 years ago

*The length of the shorter altitude and the shorter side of a parallelogram are 9cm and 82 cm. The length of a longer diagonal i

Alja [10]

Refer to the image attached.

Given: Altitude AC = 9 cm, Diagonal AD = 15 cm, side AB = 82 cm.

To find: Area of parallelogram

Solution:

Since, area of parallelogram = base $\times$ height

= $BD \times AC$

We have to determine the base BD.

Consider the triangle ABC,

by Pythagoras theorem,

$(AB)^2 = (BC)^2 + (AC)^2$

$(82)^2 = (BC)^2 + (9)^2$

$6724-81= (BC)^2$

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Now, Consider the triangle ACD,

by Pythagoras theorem,

$(AD)^2 = (AC)^2 + (CD)^2$

$(15)^2 = (9)^2 + (CD)^2$

$225-81= (CD)^2$

CD = 12 cm

Now, base BD = BC + CD

= 81.5+12

= 93.5 cm

Area of parallelogram = BD $\times AC$

= 93.5 x 9

= 841.5 square centimeters.

Therefore, the area of parallelogram is 841.5 square centimeters.

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3 years ago

1.Find the first five terms of the recursive sequence.

sveta [45]

Answer:

Step-by-step explanation:

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brainly.com/question/25065546?

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Answer: 72

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I counted one of the sides then took all of the answers and divided it by 12

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