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7nadin3 [17]
3 years ago
9

I will give brainliest

Mathematics
1 answer:
sweet [91]3 years ago
3 0
Is this correct? im not sure about the second ques

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Un rectangulo de madera se uso para en marcar un espejo en forma de rombo.Si los lados del marco miden 80.5 cm y 36.4, y las dia
QveST [7]

Answer:

1465.1 cm²

Step-by-step explanation:

El espejo en forma de diamante tiene la forma de rombo

Tenga en cuenta que: las diagonales del rombo tienen las mismas medidas de esos lados

Por lo tanto, el área del espejo se calcula como:

1/2 × Diagonal 1 × Diagonal 2

Diagonal 1 = 80.5 cm

Diagonal 2 = 36.4 cm

= 1/2 × 80.5 cm × 36.4 cm

= 2930.2 cm² / 2

= 1465.1 cm²

Por tanto, el área del espejo es 1465.1 cm².

8 0
2 years ago
A cellphone company charges $60 for a cellphone and a monthly rate to use the phone.Regina will pay $1,140 for a 24-month cellph
Alinara [238K]

The monthly rate is $45 for this cellphone plan.

Step-by-step explanation:

Given,

Amount charged for cell phone = $60

Amount paid by Regina for 24 month plan = $1140

Number of months = 24

Let,

m be the monthly rate for cellphone plan

Number of months * Monthly rate + cellphone charges = Amount paid

24m+60=1140\\24m=1140-60\\24m=1080

Dividing both sides by 24

\frac{24m}{24}=\frac{1080}{24}\\m=45

The monthly rate is $45 for this cellphone plan.

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

7 0
3 years ago
35%Daisy is cooking pasta. The recipe says she needs 480 grams of pasta for 4 people. How many kilograms will she need for 14
pav-90 [236]

4 people = 480 grams of pasta


1 person = 480 ÷ 4 = 120 grams of pasta


14 people = 120 x 14 = 1680 grams of pasta


1680g = 1680 ÷ 1000 = 1.68 kg


Answer: 1.68 kg of pasta

4 0
3 years ago
Multiply.round your answer to the nearest tenth 3×2.5×1.05. A.7.9 B.8.0 C.11.25 D.11.3
dangina [55]
3 x 2.5 = 7.5
7.5 x 1.05 = 7.8750

Note : remember to always line up the decimal points.

Hope this helps

7 0
3 years ago
Read 2 more answers
Which of these are linear functions?
FrozenT [24]

Answer:

B, D, E

Step-by-step explanation:

Use a graphing calculator.

7 0
3 years ago
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