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2 years ago

What is the perimeter and how do i find it?

Mathematics

2 answers:

murzikaleks [220]2 years ago

5 0

Add up all the sides of the rectangle

Musya8 [376]2 years ago

5 0

Answer:

7x+2y-3

Step-by-step explanation:

Combine like terms

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What is the surface area of the figure shown? Plz answer asap

Luba_88 [7]

Answer:

$264\ cm^{2}$

Step-by-step explanation:

we know that

The surface area of the figure is equal to the lateral face of the triangular pyramid plus the lateral face of the rectangular prism plus the area of the base of the rectangular prism

step 1

Find the lateral face of the triangular prism

The lateral area is equal to the area of its four lateral triangular faces

$LA=4(\frac{1}{2}(6)(7))=84\ cm^{2}$

step 2

Find the lateral area of the rectangular prism

The lateral area is equal to the perimeter of the base multiplied by the height

$LA=(4)(6)(6)=144\ cm^{2}$

step 3

Find the area of the base of the rectangular prism

$B=(6)(6)=36\ cm^{2}$

step 4

Find the surface area

$84\ cm^{2}+144\ cm^{2}+36\ cm^{2}=264\ cm^{2}$

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2 years ago

If x=3 then solve the equation: y=10x×10x-7×-12

NNADVOKAT [17]

The answer is y = 545.

7 0

3 years ago

Read 2 more answers

Multiple choice quiz! Who ever answers gets brainliest! Please help answer

Anuta_ua [19.1K]

Answer:

The answer is no.

Step-by-step explanation:

7 0

2 years ago

Frank paid $46 in tax on a laptop that cost $920. What percent sales tax did Frank pay?

Elena L [17]

Answer:

743627367867628718473867267462664772

Step-by-step explanation:

3 0

2 years ago

Find the radius of a circle having area 616cm square.

OLEGan [10]

Answer:

$\boxed{\sf Radius \ of \ circle = 14 \ cm}$

Given:

Area of circle = 616 cm²

To Find:

Radius of circle

Step-by-step explanation:

$\sf \implies Area \ of \ circle = \pi r^{2} \\ \\ \sf \implies 616 = \frac{22}{7} \times {r}^{2} \\ \\ \sf \implies 616 \times \frac{7}{22} = {r}^{2} \\ \\ \sf \implies 28 \times \cancel{22} \times \frac{7} { \cancel{22}} = {r}^{2} \\ \\ \sf \implies 28 \times 7 = {r}^{2} \\ \\ \sf \implies 196 = {r}^{2} \\ \\ \sf \implies {r}^{2} = 196 \\ \\ \sf \implies r = \sqrt{196} \\ \\ \sf \implies r = \sqrt{ {14}^{2} } \\ \\ \sf \implies r = 14 \: cm$

4 0

2 years ago