2 years ago

Can someone help me with this?

Mathematics

1 answer:

xeze [42]2 years ago

3 0

Answer:

still need help?

Step-by-step explanation:

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3/6, 2/5, 0/5

Step-by-step explanation:

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3 years ago

What is the value of X? Round to the nearest tenth.

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Step-by-step explanation:

The tangent is the Opposite over the Adjacent sides. (SOHCAH<u>TOA</u>).

Opposite/Adjacent = 4/9 = 0.44444

The angle whose tangent is 0.44444 is 23.96 or 24 degrees (round to nearest tenth).

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−7x−5=4x-29 What is the answer?

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Olivia is making scarves each scarf will have 5 rextangles and 2/5 of the rectangles will be purple .How many purple rectangles

SIZIF [17.4K]

She will need 6 purple rectangles

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3 years ago

What is the total surface area

Stels [109]

We have two right triangles and three different rectangles.

The formula of an area of a right triangle:

$A_T=\dfrac{1}{2}l_1l_2$

l₁, l₂ - legs

We have l₁ = 20cm and l₂ = 21cm. Substitute:

$A_T=\dfrac{1}{2}(20)(21)=(10)(21)=210\ cm^2$

The formula of an area of a rectangle:

$A_R=lw$

l - length

w - width

We have:

rectangle #1: l = 22cm, w = 29cm

$A_{R1}=(22)(29)=638\ cm^2$

rectangle #2: l = 22cm, w = 21cm

$A_{R2}=(22)(21)=462\ cm^2$

rectangle #3: l = 22cm, w = 20cm

$A_{R3}=(22)(20)=440\ cm^2$

The total Surface Area of the triangular prism:

$S.A.=2A_T+A_{R1}+A_{R2}+A_{R3}\\\\S.A.=2\cdot210+638+462+440=1960\ cm^2$

3 0

3 years ago

Can someone help me with this?​

Can someone help me with this?