4 years ago

I need this answered by today 9-3-18

Mathematics

1 answer:

Talja [164]4 years ago

6 0

we;retk;tykh'tk';rekw'kr'e

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Find the product of 7 and 28. Use place value and the distributive property to rewrite the product. 7(28) = 7(20 + 8) = = = 196

zimovet [89]

The distributive property lets you expand the product as

$7(20+8)=7(20)+7(8)=140+56$

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3 years ago

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if a 14 foot tree casts a 8 foot long shadow. how tall is a tree that casts a 4 foot long shadow?

kvasek [131]

7-foot

EXPLANAT

Given:

14 foot tree

8foot shadow

4foot shadow

Let h be the height of a tee that casts a 4 foot long shadow.

Using proportion;

14 foot = 8 ft shadow

h = 4 ft shadow

Cross - multiply

8h = 56

Divide both-side by 8

h = 7 foot.

Hence, the tree is 7-foot.

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1 year ago

What is the address of the element -5 in the matrix below?

Musya8 [376]

we have to find address of element -5 in the matrix

We know that

horizontal line represents number of rows

vertical line represents number of columns

We can see that

-5 is in third row

and -5 is in second column

Suppose, we have element in matrix

$b_m_n$

Here , m is number of rows

and n is number of columns

so, we got

$m=3$

$n=2$

now, we can plug these values

and we get

$b_3_2$ ............Answer

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4 years ago

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If v = 35 , a = 4 , t = 5 and v = u + a t , evaluate u .

Llana [10]

v = u + at

=> 35 = u + (4×5)

=> 35 = u + 20

=> 35 - 20 = u

=> 15 = u

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4 years ago

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Question 4

suter [353]

Dialations do not preserve congruence

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3 years ago