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vredina [299]
3 years ago
9

When adding decimals with same signs

Mathematics
2 answers:
allsm [11]3 years ago
8 0

Answer:

a

Step-by-step explanation:

Hitman42 [59]3 years ago
5 0

Answer:

I’m pretty sure its a

Step-by-step explanation:

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If triangle DEF is an isosceles triangle with DE is congruent to EF, find x and the measure of each side
Rudik [331]

Step-by-step explanation:

Given that,

DE = 8x - 13

EF = 5x + 17

DF = x + 21

Also,

DE = EF

which means that,

8x - 13 = 5x + 17

8x - 5x = 17 + 13

3x = 30

x = 30/3

x = 10

Now,

DE = 8x - 13 = 8×10 - 13 = 80 - 13 = 67cm

EF = 5x + 17 = 5×10 + 17 = 50 + 17 = 67cm

DF = x + 21 = 10 + 21 = 31cm

3 0
3 years ago
Ahmad run 5 kilometres. If he completed 15% of the race. How many kilometres is the race?
stepladder [879]

Answer:

x = 33.33 kilometers

Step-by-step explanation:

you could make use of the percent, base, and rate formula here. we know that 15% is the rate, 5 kilometers is the percent, therefore what we are looking for is our base.

\frac{percent}{base} =\frac{rate}{100}

\frac{5}{x}=\frac{15}{100} ; cross multiply.

15x = 500

x = 33.33 kilometers

therefore, the race is 33.33 kilometers.

4 0
3 years ago
Read 2 more answers
HELP! what is the unit rate???
UkoKoshka [18]
The unit rate for that equation is .33
8 0
3 years ago
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in the apex republic, 8% of the population was unemployed in may of 2006. if there were 176,000,000 people willing to work in th
docker41 [41]
Take 176000000 and multiply by 8% (or 0.08)

176000000 * 0.08 = 14,080,000 unemployed
3 0
4 years ago
Read 2 more answers
What can be used to find information the sine of an angle in a right triangle
ad-work [718]
Use the trigonometry triangles SOH CAH TOA
Sin= opposite/hypotenuse
Opposite= opposite the angle
Hypotenuse is the longest side

6 0
3 years ago
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