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3 years ago

Please answer them

Mathematics

2 answers:

Dima020 [189]3 years ago

8 0

Answer:

(1) 3.424 to the nearest 100 is 0

(2) 6.534 rounded to the nearest 10 is 10

alexdok [17]3 years ago

7 0

1. The shop told the retailer 3.400
2. The children wrote 6.530 on their whiteboard

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Question B work out angle BXC give reason for each angle you work out.

amm1812

Here's what I got. I hope that you understand it and can word it better than I can.

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3 years ago

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Calculate the area of the above irregular object

denis-greek [22]

Answer:

The area of the irregular object is 9 units.

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2 years ago

Which statement must be true if APQR = ASTU?

VMariaS [17]

Answer:

(a) $PQ \sim ST$

Step-by-step explanation:

Given

See attachment

Required

Which must be true

$\triangle PQR \simeq \triangle STU$ implies that:

The following sides are corresponding

$PQ \sim ST$

$PR \sim SU$

$QR \sim TU$

The following angles are corresponding

$\angle P \sim \angle S$

$\angle Q \sim \angle T$

$\angle R \sim \angle U$

From the given options, only option (a) is true because:

$PQ \sim ST$

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2 years ago

Two search teams spot a stranded climber on a mountain. The first search team is 0.5 miles from the second search team. If the a

shepuryov [24]

Answer:

The altitude of the climber is 1.40 miles

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle BCD

tan(22°)=h/(x-0.5)

h=tan(22°)*(x-0.5) ----> equation A

In the right triangle ACD

tan(15°)=h/x

h=tan(15°)*(x) ----> equation B

Equate equation A and equation B and solve for x

tan(22°)*(x-0.5)=tan(15°)*(x)

tan(22°)*x-tan(22°)*0.5=tan(15°)*x

x[tan(22°)-tan(15°)]=tan(22°)*0.5

x=tan(22°)*0.5/[tan(22°)-tan(15°)]

x=1.48 miles

Find the value oh h

h=tan(15°)*(1.48)=0.40 miles

therefore

The altitude of the climber is equal to

0.40+1=1.40 miles

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3 years ago

HELPPP ITS ABOUt DILATION EXPLANATION NEEDED PLZZZ

Lubov Fominskaja [6]

Answer:

It is clear from the co-ordinates of the square that CD is parallel to X axis and BC is parallel to y-axis. So,X=8,y=7

so the co-ordinates of B=(8,7)

Now after dilation of factor 2, all coordinates will be multiplied by 2.

So B'=(16,14)

hope it helps

7 0

3 years ago

Please answer them ​

Please answer them