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3 years ago

Multiplying by which number is equivalent to finding 111%?

Mathematics

1 answer:

Ainat [17]3 years ago

3 0

Answer:

1.11

Step-by-step explanation:

100 x 1.11

becuase 1.11 is the multiplier

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Find the dimensions of a rectangle with perimeter 76 m whose area is as large as possible. m (smaller value) m (larger value)

Sladkaya [172]

Answer:

19 m

Step-by-step explanation:

Perimeter = 2(length + width) ; P = 2(l+w) - - (1)

Area = Length * width ; A = l*w - - - (2)

76 = 2(l+w)

76/2 = l+w

l+w = 38

l = 38 - w

Put l = 38 - w in (1)

A = (38-w)*w

A = 38w - w²

At maximum point:

dA/dw = 0

dA/dw = 38 - 2w

38 - 2w = 0

38 = 2w

w = 38/2

w = 19

5 0

2 years ago

A car drives 120 miles at a speed of 40 mph. How long did it take?

ss7ja [257]

Answer:

3 hours

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

PLSS HELPP BRAINLIEST AND 65 POINTS pls do the graph too

Eddi Din [679]

Answer:

$\Large \boxed{ -x+65}$

Step-by-step explanation:

Two points are (0, 65) and (10, 55)

Calculate slope m

$\displaystyle m=\frac{y_2 - y_1}{x_2 - x_1}$

$\displaystyle m=\frac{55-65}{10-0}=-1$

Use slope-intercept form

$y=mx+b$

$y=-1x+b$

b is the y-intercept, y-intercept is (0,65)

$y=-1x+65$

5 0

3 years ago

If tom had 100g rice how would u convert it to kg

notka56 [123]

répondre:

bonjour

si tom avait 100 g de riz il va convertir 100g en kg

Étape par Étape explication:

= 0,1 kg

bonne journée

3 0

3 years ago

A teacher claims that the proportion of students expected to pass an exam is greater than 80%. To test this claim, the teacher a

erica [24]

Answer:

z=-1.591

Step-by-step explanation:

Null Hypotheses,

$H_0 : p=0.8\\H_a: p>0.80$

So we use z-test for one population proportion (right-tailed test)

According to this informaton, we defined that

$\alpha=0.05$

$z_c=1.64$ (critical value)

So our Rejection region is $R={z:z>1.64}$

$z=\frac{\bar{p}-p_0}{\sqrt{p_0(1-p_0)/n}} = \frac{0.755-0.8}{\sqrt{0.8(1-0.8)/200}}=-1.591$

Not rejection.

6 0

3 years ago